77pcs 312mm Ceramic Grinding point set Rotary Abrasive ...
77Pcs Ceramic Grinding Head Ellipse Shape With 3MM Shank Rotary Abrasive Tools. ... 100Pcs 3MM Shank Ball Shape Ceramic Grinding Head Abrasive Rotary Tool 6 ~ 16mm. ... A replacement part of drilling machine, milling machine and electric drilling tool, can be clamped in electric drill use.