DD120: 120 Grit Replacement Diamond Grinding Wheel For 350X, 500X, and 750X Drill Doctors

The 120 grit DiaLap replacement grinding wheel is manufactured using advanced metallurgical bonding procedures producing a superior embed layer of diamond substrate for longer wear life and finish consistency resulting in uniformed grinding profile and long life. DiaLap replacement diamond grinding wheels are designed for use on Drill Doctor 350X, 500X, and 750X models. Recommended for use on 3/32"-1/2" drill bits