【120Grit Diamond Grinding Bits】Made of diamond particles, thick, durable, wear-resistance and impact resistance, sturdy enough for fine detail work, greatly reducing the need for frequent grinding bit changes 【Diamond Cutting Wheel】These ultra-thin cutting discs feature a full diamond-coated edge for razor-sharp performance. Breathing holes ensure efficient heat dissipation and debris removal, extending tool life. Ideal for creating clean slots, slits, or intricate cuts in hard materials like ceramics, glass, and stone 【Upgrade 100-Slot Organizer】Maximize efficiency with precision-engineered slots that allow you to keep every burr and bit neatly organized and never waste time searching for rotary tool bits again - eliminate clutter and keep your workspace tidy 【Multifuncyional】Diamond bits are suitable for sculpturing, dressing, precision grinding, sanding, shaping in ceramic, glass, precious stone, agate stones and many other materials 【Universal Compatiblity】Rotary tool diamond burrs set and cutting wheel set, Shank Diameter: 1/8"(3mm) shank fits most rotary, die grinders and air tools 【Specification】Diamond grinding bit *20pcs, cutting wheel *10pcs, the blue support stand *1. if any issues with quality, leave us a message. More thanks! Multi-functional -- Diamond grinding burr bits, suitable for polishing stone, glass, ceramics, tile, brick,fiberglass, rock. DIY craft, craft modeling, home repair (wood, some plastic and dogs’ nails) etc.