Prism cover that protects the prism from blasting in tunnel construction.
No need to remove the prism every time - "Prism Cover"
This is a product designed to protect prisms used for measuring internal displacement during tunnel excavation from the effects of blasting. It can be reused, eliminating the need to remove and reattach the prisms after each blast. It is patented.
- Company：藤崎商会 本社
- Price：Less than 10,000 yen
