30 Pieces 3mm Diamond Rotary Burrs for Engraving Glass, Marble, Stone and Jewelry - Versatile Carving Tool

30pcs Diamond Milling Cutters: Assortment includes various sizes of round cone, cone, inverted cone, shaft, bud, cylinder, and edge cutters for different uses, more convenient and useful.

Coated with high-quality diamond micro-powder, used for mold grinding and internal boring. Exquisite craftsmanship provides high-quality products.

Suitable for use with electric grinders, engraving machines, and other motorized machines for normal operation. Can be used for engraving, grinding, and etching on a variety of materials, such as glass, jade, etc.

Mold repair, engraving, and can be used for furniture, arts and crafts, mold making, music production, all kinds of model airplanes, boats, and so on.

Recommended for jewelers, lapidaries, hobbies and crafts, model making, and home repairs.