空研 List of Products and Services

We are pleased to announce the release of a specialized cleaning tool for large vehicle wheels and hubs. 《4" Dual Action Sander - DAZ-04A》 This product is a dual action sander specifically designed for removing dirt and rust from large vehicle wheels. 《Air Scraper - KS-35》 This product is an air-powered scraper suitable for removing rust and debris from large vehicle hubs. 【Features】 ■ Compact and lightweight for easy handling ■ Swivel plug that allows for changing the direction of the air hose (DAZ-04A) ■ Rear exhaust with an exhaust hose to prevent debris from scattering (KS-35) ■ Palm-shaped head for a comfortable grip (DAZ-04A) ■ Adjustable stroke length (KS-35) ■ The scraper tip can be replaced to use as a file or air saw (KS-35) *For more details, please refer to the PDF document or feel free to contact us.

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The Air Nut Runner "PTS Series" is a portable electronic control nut runner that achieves torque control simply by connecting an air hose. It features electronic control with a torque sensor that is not affected by air pressure fluctuations, enabling high-precision tightening torque. It operates at high speed until seating and automatically shifts to low speed for final tightening. Torque can be changed with a single touch, and it stops automatically at the set torque. It can be used for various assembly tasks in automotive, shipbuilding, construction machinery, construction, bridges, plants, and more. 【Features】 - Torque control can be achieved just by connecting an air hose, eliminating the need for additional equipment! - Built-in electronic control controller ensures torque accuracy of ±5% - Easy operation with one-touch torque change - Safety design that prevents operation even if the start lever is pulled during an error *For more details, please download the PDF or feel free to contact us.

• Work tools

The torque management system "K-TMS" is a system that significantly reduces the burden of managing the tightening torque of wheel nuts for medium and large vehicles. By using our "Power Torque Setter PTS-800ESL-K," it can wirelessly connect and automatically record tightening torque data. 【Features】 ■ Sends data for each individual bolt. Records customer and vehicle information on a computer. ■ Allows real-time monitoring of the situation on a PC. Past vehicle data can also be retrieved. ■ After completing the work, a tightening torque check sheet can be printed. ■ Equipped with long-distance wireless (920MHz band). Can temporarily store data in memory even in areas where the wireless signal does not reach. *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Other measuring instruments

The "ETS-800X & XL" is a rechargeable nut runner that incorporates all the know-how gained from years of experience with air-powered nut runners. 【Features】 ■ One-touch switching between three preset torque settings ■ Large, bright display panel for easy visibility during work ■ Tightens approximately 200 nuts on a single battery charge (based on internal testing) ■ Equipped with a protector to guard against scratches and damage ■ One-touch operation allows for loosening up to 800 N·m ■ Available in two types: a long type (ETS-800XL) with an automatic two-speed transmission mechanism and a short type (ETS-800X) without a transmission mechanism ■ Compatible with the reaction force receivers of air-powered nut runners PTS-800E and PTS-800EX-L 【Specifications】 ■ Drive size: 25.4mm SQ ■ Set torque: ETS-800X → 200–800 N·m, ETS-800XL → 350–800 N·m ■ Overall length (without socket): ETS-800X → 449mm, ETS-800XL → 504mm ■ Weight (without socket): ETS-800X → 6.6kg, ETS-800XL → 7.2kg ■ No-load rotation speed: ETS-800X → 7rpm, ETS-800XL → 100rpm

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In recent years, there has been an increase in large wheel detachment accidents, leading to a growing demand for torque setters that ensure secure tightening. The electric torque setter we offer, the 'ETS-800X & XL', allows for torque setting and secure tightening without the need for verification work. The ETS-800XL features a two-stage automatic transmission mechanism that rotates at high speed during low torque. 【Features】 ■ One-touch switching between three preset torque settings ■ Easy-to-read display even during tightening work ■ Tightens approximately 200 units on a single battery (based on internal conditions) ■ Equipped with a protector to guard against scratches and damage ■ One-touch loosening operation up to a maximum of 800 N·m ■ Compatible with shared reaction force receivers PTS-800E and PTS-800EX-L *For more details, please refer to the PDF document or feel free to contact us.

• Work tools
• Work tools

The "PTS-800EX-L" is a portable nut runner that achieves high-precision torque control simply by connecting an air hose, thanks to the combination of an air motor and electronic control. It features low vibration and low noise, and is equipped with an automatic two-speed transmission. It operates without the need for an external power supply, using four AA batteries. Additionally, it can memorize three different preset torque values, allowing for one-touch changes to the set torque. It automatically stops when the set torque is reached. 【Features】 - Low vibration and low noise - High-precision tightening torque management enabled by built-in electronic control - Automatic stop when the set torque is reached - Equipped with automatic two-speed transmission - Can memorize three preset torque values and change the set torque with one touch *For more details, please refer to the PDF document or feel free to contact us.

• Work tools
• Work tools

High-precision (within ±5%) tightening torque can be achieved without being affected by air pressure fluctuations through torque control using a strain gauge type torque sensor. Certified by the Japan Automotive Machinery and Tool Association for passing the "Type Performance Test for Power-Controlled Wrenches!" 【Features】 ■ Low vibration and low noise. ■ High-precision tightening torque management enabled by built-in electronic control controller. ■ Automatically stops when the set torque is reached. ■ Equipped with an automatic two-speed transmission function. ■ Can memorize three types of set torque and allows one-touch changes to the set torque.

• Work tools

This product is a compact and lightweight N-type air impact wrench with high rotation and high output, and it is a model change of the KW-1600proX. It demonstrates its power in tasks such as removing and installing wheel nuts on small passenger cars and in assembly production lines for construction machinery. 【Features】 - Compact and lightweight at "1.5kg" with high rotation and high output - Adopts a unique N-type clutch mechanism for the impact method - Built-in 5-stage power regulator for excellent operability - Maximum tightening torque of 520N·m for high output - Equipped with a protector for visibility and body protection For more details, please download the catalog or contact us.

• Work tools
• Woodworking machines, instruments, and tools

Compact and lightweight for improved work efficiency, 【Features】 ○ Achieves the lightest class at 6.0kg within the 25.4mm SQ category ○ Air impact wrench specialized for the removal and installation of ISO-type wheels on large vehicles ○ High-output type with left rotation (loosening direction) ○ Maximum torque: Left rotation: 1,800N·m, Right rotation: 1,500N·m ○ Equipped with a unique N-type clutch mechanism from Kuukan ○ Comes with a large dedicated protector that does not damage the body ○ Built-in large and easy-to-read four-stage air regulator For more details, please download the catalog or contact us.

• Work tools
• Woodworking machines, instruments, and tools

It demonstrates astonishing performance without an air hose and is powerful for the attachment and detachment of various small-diameter bolts. 【Features】 ○ Compact and lightweight with high output (maximum tightening torque of 280 N·m) ○ The total length is 143 mm, one of the smallest in the 12.7 mm square category ○ Equipped with a brushless motor for long-lasting performance ○ Impact mode can be adjusted in three levels (strong, medium, weak) ○ Includes a battery capacity indicator to check remaining battery life ○ Dust and water resistance performance has passed the environmental performance test IP56 ○ Comes with an LED light for safe operation in dark places For more details, please download the catalog or contact us.

• Work tools
• Waterproofing work
• Woodworking machines, instruments, and tools

It is a portable nut runner that achieves high-precision torque control simply by connecting an air hose, thanks to the combination of an air motor and electronic control.

• Work tools

This vertical polisher, KVP-501, is a single-rotation sander that serves dual purposes for polishing and color blending tasks. 【Features】 ■ Compact, lightweight, and powerful ■ Low vibration, low noise ■ Rubber grip prevents hands from getting cold ■ Built-in stepless power regulator ■ V-shaped grip for improved work efficiency *For more details, please refer to the PDF document or feel free to contact us.

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This is an air-powered torque control nut runner that enables high-precision torque management (with a tightening accuracy of ±5%). 【Features】 1. Low vibration and low noise, 2. Easy torque setting at the hand level due to the built-in electronic control controller, and the torque value can be confirmed upon completion of tightening, 3. No power supply wiring required due to the built-in battery, 4. Capable of storing three types of torque values and the number of fasteners (up to 99), 5. Confirmation of tightening judgment results with a buzzer sound after each tightening completion.

• Air compressors, blowers and pumps

A tool suitable for various tightening tasks involving small bolts, nuts, wood screws, and tapping screws. 【Features】 ● Good weight balance, compact and lightweight. ● Excellent operability with a two-finger type start switch. ● Adoption of a resin body that fits comfortably in the hand. ● The KW-50PD also comes with a 9.0mm bit specification. *For more details, please contact us or refer to the catalog.

• Work tools

The "PTS Instructor" is a product designed to prevent forgetting to tighten by installing a display that indicates the tightening order and completed locations of hub bolts and nuts on the center hub of large vehicle wheels using LED lights. The tightening results are wirelessly transmitted from the nut runner to the display, allowing for a visual check of the tightening status. After installing the display, you can start the work simply by selecting the number of holes, easily improving the reliability and efficiency of the nut tightening process. 【Features】 ■ The display can be easily attached with magnets or hooks ■ Comes with a preset function for four types of torque ■ Can manage tightening torque with an accuracy of ±5% ■ Supports three processes: preliminary tightening, final tightening, and re-tightening ■ Allows loosening work at a maximum of 800N·m with low vibration and low noise *For more details, please refer to the PDF document or feel free to contact us.

• others

This is an air-powered torque control nut runner that enables high-precision tightening torque management (with a tightening accuracy of ±5%). 【Features】 ● Low vibration and low noise. ● Built-in electronic control allows for easy adjustment of tightening torque at hand, and the torque value can be confirmed upon completion of tightening. ● Built-in battery eliminates the need for power supply wiring. ● Can store three types of torque values and up to 99 pieces. ● Tightening judgment results can be confirmed with a buzzer sound after each tightening. ● The reaction force receiver slides, making it easy to insert bolts and nuts. ● The pitch-variable reaction force receiver is a product developed specifically for tightening passenger car wheel nuts, compatible with 4-hole and 5-hole wheels with P.C.D. 114.3 and P.C.D. 100, respectively.

• Air compressors, blowers and pumps

This is an air mini angle grinder suitable for φ50mm grinding wheels for light grinding work. 【Features】 ● Equipped with a spindle lock mechanism, allowing for easy grinding wheel replacement without the need for special tools. ● Compact head shape makes it easy to check the workpiece. ● Despite its compact body, it delivers high torque. ● Grinding in tight spaces can be done effortlessly. ● High power with low noise. *For more details, please contact us or refer to the catalog.

• Work tools

This document is a handling guide for the "New ISO Method Wheels." It includes precautions for maintenance when removing wheels for tasks such as tire changes, as well as information on changing aluminum and steel wheels and the structure of the ISO method. [Contents (excerpt)] ■ Daily inspections ■ 3-month inspections ■ 12-month inspections ■ Wheel installation work ■ Precautions during maintenance when removing wheels for tasks such as tire changes *For more details, please refer to the PDF document or feel free to contact us.

• maintenance

The detachment of wheels not only causes roadside breakdowns and hinders other traffic, but it can also lead to serious accidents that may endanger lives and undermine social trust. Therefore, this document provides information on proper handling to prevent wheel detachment, including precautions during daily inspections and maintenance, as well as during wheel installation. [Contents] ■ Precautions during daily inspections and maintenance ■ Precautions during regular inspections and maintenance ■ Precautions during wheel installation ■ Precautions during maintenance that involves removing wheels, such as tire changes ■ Misalignment of aluminum wheels and steel wheels ■ Other precautions *For more details, please refer to the PDF document or feel free to contact us.

• maintenance

This document introduces the correct usage of "impact wrenches." It provides detailed information about the equipment and environment necessary for using impact wrenches, as well as inspection and preparation. Additionally, it includes information on wheel removal and installation tasks. 【Contents】 ■ Equipment and environment for using impact wrenches ■ Inspection and preparation for impact wrenches ■ Regarding wheel removal and installation tasks ■ Wheel removal procedure ■ Wheel removal procedure and precautions ■ Reference materials *For more details, please refer to the PDF document or feel free to contact us.

• maintenance
• Other Management Services

【Features】 - Eliminating the end lock nut allows for grinding in narrow areas. - The angle adjustment of the arm can be changed with a single butterfly screw. - The use of a rubber grip provides vibration and cold resistance. - A swivel screw sleeve is adopted to prevent the air hose from twisting. - The exhaust direction can be changed 360 degrees, and it is equipped with a silencer for low noise. *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

This product allows anyone to easily perform similar tightening tasks simply by setting it up in the air piping of your currently used air impact wrench or oil pulse wrench. 【Features】 ■ The air impact wrench or oil pulse wrench currently in use will have an automatic stop function. ■ Equipped with a learning function, it can be set to auto mode to consistently perform the same tightening tasks. ■ A compact model with a thickness of only 65mm, featuring an integrated design with built-in pressure sensors and solenoid valves, also suitable for wall mounting. ■ Adopts a highly visible LCD screen. ■ Notifies completion of tightening with a buzzer and a high-brightness lamp. ■ Monitors air pressure drops that could cause insufficient torque and alerts with a buzzer and lamp in case of abnormalities.

• Air compressors, blowers and pumps
• Transport machinery

This product is an air-powered torque control nut runner that enables high-precision torque management and wirelessly transmits tightening results to the PTS instructor to support the tightening operation. 【Features】 ■ Low vibration and low noise due to static tightening ■ Easy torque setting at hand with built-in electronic control controller ■ Equipped with a 4-channel preset function ■ Loosening work up to a maximum of 800 N·m is also possible ■ Start work simply by selecting the number of tightenings ■ Four types of work modes can be set to follow the user's work procedures ■ The instructor unit displays the torque completed after tightening ■ Multiple instructors can be connected to one power torque setter ■ The instructor unit can be easily attached to hubs or tires with magnets and hooks.

• Air compressors, blowers and pumps
• Transport machinery

【Features】 ☆Equipped with our unique N-type clutch mechanism, compact, lightweight, and low vibration. ☆Adopts a newly developed foldable anti-vibration handle, reducing vibration and fatigue. ☆Reduces exhaust noise (low noise) by adopting a high-efficiency silencing structure. ☆Adopts a highly functional large protector for better visibility. ☆Enhanced operability with a left-right rotation switch lever.

• Work tools

【Features】 - Adoption of a newly designed air motor for durability and power. - Low center of gravity design for excellent balance and stability. - Low vibration for fatigue-free operation even during long hours of work. - Compact and lightweight type that allows for easy one-handed operation. - Grip that is easy to hold and fits comfortably in the hand. - Dust collection type demonstrates high dust collection capability. *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

【Features】 ■ Adopts a newly designed air motor for durability and power. ■ Low center of gravity design provides excellent balance and stability. ■ Low vibration allows for fatigue-free operation even during long hours of work. ■ Compact and lightweight type that can be easily operated with one hand. ■ Grip that is easy to hold and fits comfortably in the hand. ■ Dust-collecting type demonstrates high dust collection capability. *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

This is the third rechargeable impact wrench featuring the unique Epro clutch mechanism developed by Koken, and its main characteristic is the inclusion of a tightening control function. 【Features】 ◆ Allows setting of 6 levels of tightening ◆ High power with a maximum tightening torque of 550Nm ◆ Low vibration and low noise, weighing only 3.0kg, reducing the burden on the operator ◆ Equipped with a large capacity battery (5.0Ah lithium-ion battery (18V)) ◆ Brushless motor and electronic switch design for high durability ◆ Comes with an automatic power-off function (automatically stops power before the battery voltage drops significantly)

• Work tools

This is a 4-inch angle grinder that is ideal for all metal grinding, rust removal, and deburring tasks. 【Features】 ○ Sloped head shape for easy visibility of the grinding surface ○ Side exhaust allows for changing the exhaust direction ○ Easy-to-grip and non-slip housing cover ○ Equipped with a spindle lock mechanism for easy wheel replacement ○ Gear parts made of special steel for high durability ○ Wheel dimensions: outer diameter 100 × inner diameter 15mm ○ Overall length: 226mm ○ Overall height: 96mm ○ Weight: 1.8kg (lever type), 1.7kg (grip type) ○ No-load rotation speed: 12,000 r.p.m. ○ Air consumption: 0.54m3 (Normal)/min. ○ Hose connection thread: Rc1/4 (lever type), Rc3/8 (grip type) ● For more details, please contact us or refer to the catalog.

• Work tools

The "Needle Chisel" is a tool that can remove spatter and slag after welding, as well as perform various chipping tasks. It demonstrates power in chipping work on uneven surfaces with high speed, strength, and smooth movement. 【Features】 ■ High speed, powerful, and smooth ■ Slim tip design *For more details, please refer to the PDF document or feel free to contact us.

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The "KFC-20" is an air chisel that can be used for various chipping tasks such as removing slag, spatter, and rust after welding. It is compact and lightweight, yet powerful, making it effective for work in tight spaces. 【Features】 ■ Compact, lightweight, and powerful ■ Equipped with a non-slip resin grip cover ■ Chisel replacement is easy and tool-free *For more details, please refer to the PDF document or feel free to contact us.

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The "Air Chisel" is a tool that utilizes the impact force of a hammer, which moves back and forth within a cylinder, to strike a chisel (chisel) attached to its tip. It is compact, lightweight, powerful, and has a simple structure, resulting in fewer breakdowns and excellent workability in tight spaces. We offer models such as the "BRH-6K" and the "BRH-8K," which has a built-in regulator. 【Features】 ■ Compact, lightweight, and powerful ■ Simple structure with fewer breakdowns ■ Easy to use in tight spaces ■ Built-in regulator (BRH-8K) *For more details, please refer to the PDF document or feel free to contact us.

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The "Straight Grinder" is a cutting tool from Kuken Co., Ltd., a specialized manufacturer of air tools. We offer a lineup including the "KG-10," which is ideal for chamfering and deburring operations, as well as the "KG-25 Collet Specification," suitable for removing automotive body stripes and double-sided tape, and the "KG-25T Drill Chuck Specification," designed for tire repair work on large vehicles. 【Product Lineup】 ■KG-10 ■KG-11 (Lever Type) ■KG-11G (Grip Type) ■KG-11L (Lever Type) ■KG-11LG (Grip Type) ■KG-25 (Collet Specification) ■KG-25T (Drill Chuck Specification) *For more details, please refer to the PDF document or feel free to contact us.

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The "Angle Grinder" is an air grinder that employs a rotor and bevel gear mechanism. It is suitable for various metal polishing and deburring tasks, and is available in lever and grip types. We offer a lineup including the "KAG-40 (lever type)", "KAG-40G (grip type)", and "KAG-45 (lever type)". 【Lineup】 ■ KAG-40 (lever type) ■ KAG-40G (grip type) ■ KAG-45 (lever type) ■ KAG-45G (grip type) ■ AG-70A (lever type) ■ AG-70AG (grip type) *For more details, please refer to the PDF document or feel free to contact us.

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The "belt sander" is a tool suitable for polishing narrow areas and cutting various materials. It is effective in automotive sheet metal work, grinding weld beads, and removing spots. 【Features】 ■ The arm angle can be adjusted according to the work purpose ■ Built-in soundproofing material ■ Safety design to protect the operator *For more details, please refer to the PDF document or feel free to contact us.

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The "Mini Wax Polisher PM-045" is an air tool that is compact, lightweight, and low-vibration, making it easy to work with. Its smooth eccentric motion allows for uniform waxing to be done effortlessly. It features an easy-to-hold grip that fits comfortably in your hand, ensuring excellent workability. 【Features】 ■ Easy uniform waxing due to smooth eccentric motion ■ Built-in noise reduction mechanism, with easily adjustable rotation speed ■ Compact, lightweight, and low-vibration for easy operation ■ Easy-to-hold grip that fits comfortably in your hand *For more details, please refer to the PDF document or feel free to contact us.

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The "KST-7S" is a straight sander that demonstrates its power in polishing tasks such as line finishing and flat finishing. It allows for polishing work that feels close to hand sanding and boasts high dust collection capability. 【Features】 ■ High dust collection capability ■ Low vibration and low noise ■ Compact, lightweight, and low center of gravity *For more details, please refer to the PDF materials or feel free to contact us.

• Work tools

This series of products is an orbital sander that is ideal for roughing out putty and surface finishing tasks. It is lightweight, compact, and easy to use, making it comfortable for long hours of work. With an excellent grip, it excels in sanding speed, significantly improving work efficiency. Both non-dust and dust-collecting types are available. 【Features】 ■ Lightweight and compact, easy to use, making long hours of work effortless ■ Excellent sanding speed ■ Improved work efficiency ■ Outstanding grip *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

This product is a palm-type dual-action sander, ideal for finishing polishing. It can be used for sanding primers and preparing panels. We offer both non-dust-collecting and dust-collecting types. The non-dust-collecting type also includes a low-noise option. 【Features】 ■ Palm-type ■ Non-dust-collecting and dust-collecting ■ Low-noise option available for non-dust-collecting type ■ Ideal for finishing polishing *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

The "Dual Action Sander Series" is a professional tool that is perfect for color stripping work and can be used by beginners. We offer both non-dust collection and dust collection types with high dust collection capability. The low center of gravity design provides excellent balance and stability. Additionally, it is compact, lightweight, and has low vibration, making it comfortable to use for long periods. 【Features】 ■ Non-dust collection and dust collection types ■ Compact and lightweight for easy operation ■ Low center of gravity design for excellent balance and stability ■ High dust collection capability (dust collection type) *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

The "DAC-05AI" is a pseudo single sander that makes it difficult to convey the coldness of the exhaust due to its reinforced resin body. It features a strong and durable motor that allows for everything from paint film removal to edge finishing using just one type of paper. 【Features】 ■ Non-dust collection type ■ Reduced reaction specific to single rotation ■ Adoption of a strong and durable motor ■ Capable of paint film removal to edge finishing with just one type of paper ■ Reinforced resin body makes it difficult to convey the coldness of the exhaust *For more details, please refer to the comprehensive catalog or feel free to contact us.

• Work tools

The DS-4 is a disc sander that is ideal for color stripping work. It features a simple structure, is compact and lightweight, making it easy to use. 【Features】 ■ Compact and lightweight for ease of use ■ Simple structure, robust, and low maintenance ■ Easy to replace sandpaper *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

The "MRS-35" is a multi mini sander that allows for a one-touch switch from single (pseudo) rotation to dual action. It is compact, lightweight, and powerful, with strong grinding capability, and features a built-in regulator that makes it easy to adjust the rotation at hand. The single rotation (pseudo) mode is suitable for color removal tasks, polishing work, and blemish removal polishing tasks. 【Features】 - Compact, lightweight, and powerful with strong grinding capability - Exhaust direction can be freely changed - 72mm pad and small diameter head for visibility of the sanding surface - Built-in regulator for easy rotation adjustment at hand - Comes with a rod handle that can be mounted on either side *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

The "Rechargeable Impact Wrench" is an electric tool that employs the Epro clutch mechanism. You can experience a different kind of impact performance compared to air impact wrenches. We offer 12.7mm square drive and 19mm square drive options. 【Features】 ＜KW-E190pro＞ ■ Adoption of Epro clutch mechanism ■ Equipped with a 4.2Ah lithium-ion battery (18V) ■ Strong against rain, with environmental performance rated IP56 ■ Equipped with a remaining charge indicator to prevent battery depletion *For more details, please refer to the PDF document or feel free to contact us.

• Work tools

The "SAM-41GP" is a compact, ultra-lightweight, low-noise, and low-vibration glass polisher designed with waterproof features. It is ideal for removing oil films and coatings from automotive windows, as well as for applying coating agents. 【Features】 ■ Compact and ultra-lightweight ■ Low noise and low vibration ■ Waterproof design *For more details, please refer to the PDF document or feel free to contact us.

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• others

The "Air Ratchet Wrench" is a tool for fastening and loosening screws that combines an air motor, a planetary gear reduction mechanism, and a ratchet mechanism. It can apply strong torque to screws, and re-tightening can be done manually. Due to its compact and lightweight design, it is ideal for tightening tasks in narrow spaces and achieves five times the efficiency compared to manual work. 【Features】 ■ Compact and lightweight, effective for use in tight spaces ■ Does not overtighten or damage screws ■ Achieves five times the efficiency compared to manual work *For more details, please refer to the PDF document or feel free to contact us.

• Work tools