Precision thread, stable installation. 

Sand smooth and not loose. 

For local gaps that cannot be removed by the edge of the angle grinder or polishing machine, install the extension rod, and complete the grinding and polishing.

remove with a wrench, suitable for 100 type angle grinder/polisher.

Diameter: (Approx. ) 30mm

Thread: (Approx. ) 10mm

Scope of application: Solve the problem when removing the pressure plate, open-end wrenches, vise, adjustable wrenches, etc.

Transition: 1cm=10mm=0.39inch.