Rotary Burr Set 5 Pcs Carbide Burr Rotary File Set, Die Grinder Bits Rotary File Kit, Carbide Burr Files, 6mm/0.24in Shank, Double Cut For Engraving, Drilling, Carving, Polishing Metal Carving Engraving Tools 10 pcs Carbide Rotary Burr Set with 1/4-inch shank size, 6mm (1/4) Cutting Diameter, compatible with most die grinders or rotary tools. With a double cut tooth angle which prevents chipping, this tungsten grinder bit set is superior to any high speed steel burr bits on the market. A great rotary tool accessory kit. Use a Tree-shaped Burr for rounding off edges and making concave cuts Please check the size before you buy it Unleash your creativity with tools that provide unmatched performance and durability across a myriad of materials. Convenient Size: 1/4 shank that fits most rotary tools and grinders. Transform your creative aspirations into reality with ease International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ABN Double Cut Rotary Burr Set, 10pc - 1/4in Tungsten Carbide Cutting Burs Rotary Metal Die Grinder Bits For Engraving Polishing Drilling Made of heat-treated tungsten carbide that hardness can reach to HRC70, sharp and sturdy.