Si Fang | NEW 20PCS Diamond Burr Grinding Diamond Burr Grinding 3mm Shank Grinding Head for for Rotary Stone Gemstone Carving

MATERIALSDiamond polishing accessories made of diamond particle with reliable quality, thick and durable, wear resistance, high hardness and impact resistance, sturdy enough for fine detail workMULTI-FUNCTIONALDiamond burr bits set ideal for home improvement, craft, a nice helper for you to polish, grind, drill, cut, engrave and more. Able to engrave on a wide range of materials including: tile, ceramics, marble, granite and other hard materialsVARIOUS SHAPESRotary tool stone carving tool has 20 pieces in total, and designed in various shapes, such as sphere, cone, cylinder, round head cylinder, bullet, flat plat and more, different designs and ample shapes will meet your different requirements, will improve work efficiency and save-off time and laborUNIVERSAL COMPATIBILITYDiamond grinder bits set is featured with universal 3mm (1/8 inches) shank grinding drill bits, which compatible with most rotary tools or die grinders