HARFINGTON 30pcs Diamond Grinding Burrs Carving Bits 3mm Ball Shape Head Mounted Point 1/8 Shank for Rotary Tool

3mm diamond-coated grinding bit, ball shape grinder head, high strength, and good coaxiality.Made of carbon steel and the diamond coated grinding head, higher wear resistance, and durable use.This grinding drill bit is suitable for quickly cutting, sharpening, deburring, grinding, rust polishing, carving, and repairing.Good grinding tool for the rough grinding surface of materials such as jade, ceramic, glass, wood, marble, and precious stone.The 1/8 Inch (3mm) shank bit fits most electronic grinders, engraving machines, hanging mills, etc.Note - Please be careful of flying chips during use!