Transparent high-strengthened glass resin PC material.
No need disassemble, easy to install, just install the base on the bottom of the emergency stopswitch. it can be locked and removed at will.
Permanently installed on the emergency stop button which can push-pull or screw release toprevent accidental touch.
According to the reserved holes of the lock, it can be locked with 2-4 safety padlocks with the Dia. of the lock beam ≤ 7mm can be locked