ZFE Diamond Burr Bits Drill Kit For Engraving Carving Dremel Rotary Tool-1/8" (3mm) Shank Pack of 60Pcs Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing Work on glass, metal , stone, ceramic, wood, plastic Total 60 Pieces and come in convenient plastic box All burrs with a diameter 3mm shank - compatible with most die grinders or rotary tools Highly recommended for jewelers, lapidary use, hobbies, crafts, craft modeling, home repair and so much more