Diamond Grinding Bit Set contains 2 sizes of head diameter bits: 8mm/10mm, Shank Size: 3mm / 0.12" (D), Total Length: 45mm / 1.8".. High working efficiency, designed with metal shank, diamond head, sturdy and wear resistance.. Suitable for sculpting, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many other abrasive materials.. Can be installed on the electronic grinder, hanging mill and hand electric drill (not included here)..
