19

The "Guard Pipe Grounding Rod" combines the three qualities of being light, strong, and inexpensive.
モノトーン
Demonstrating power on hard ground that is difficult to bend! An explanation of the differences between the pipe earth method, which improves the techniques and issues of conventional methods based on on-site construction experience, and traditional methods!
59

Hollow rivet [Fastening (connection) video available]
福井鋲螺 本社、技術センター、細呂木事業所、加賀工場、能登工場、NL工場、東京支店、名古屋支店、大阪支店
It is possible to achieve a reliable fastening without any loosening after tightening.