Shape diamond grinding head: ideal for wood, glass, plastic, metal, stone, tile, ceramics and more.. Grit round ball: this polishing bits set is designed to be used with high rotary tools, grinders and drills.. Drill bits: made of material for long lasting use.. Mandrel polishing: targetperfect for jewelers, craft hobbyists, modelers, and other professions.. Polishing head: convenientgenerally can be used with handheld electric or pneumatic tool drive.
