[NEVER USED] 30pcs 3mm Shank Rotary Diamond Burrs for Glass, Marble, Rock and Jewelry Rotary Engraving Tool

Product never used, packaging damaged during transport. Unopened product, repackaged in our warehouses, in perfect working condition, warranty available.

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. (Please get the promo code on the product page when purchasing for a better price.) 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 any other motorized machine for normal use, it 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, home repair, etc. This set is for grinding, cleaning, cutting, polishing, etc. These bits are coated with hard diamond particles. They will fit your hand drill, drill press, rotary tool, and grinder. Suitable for working with wood, glass, plastic, metal, stone, tile, ceramic, and more. High working efficiency, perfect grinding effect, and long service life. Essentially a replacement for a small handle grinding wheel, and no dust pollution. Convenient to grind, simple to use, safe, and reliable. Diamond Burr Set: Conical Bit: Ideal for cleaning tight spaces under the nail. Conical Bit: Another handy tool for nails or for running along the cuticle. Small Barrel and Large Barrel Bits: Used for surface work, shortening, and filling. Reverse Fill Bit: An ideal tool for slicing and removing product from the tip of the nail. Specification: Material: Diamond. Shank Diameter: 3mm. Total Length: 45mm