30 x 1mm Dia Ball Shape Tip 3mm Shank Alloy Diamond Burrs Bits Grinding Tool
30 Pcs diamond ball shape point bit set in a protective plastic case, can be used for a variety of hole making and grinding tasks in glass, ceramics, porcelain, plastics. Diamond burr set is perfect for use with your high speed drilling or grinding tool. Replacement part for power grinder which require 3mm shank bit.