〖High Concentricity〗We Make Sure Every Burr Is High Concentricity it will not easy to bend during porting Luo ke 10 Pcs Tungsten Carbide Burr Set - 1/8'' Shank Large Single Carbide Cutting Burrs 1/4inch F Type Round Tree Shape Double Cut Tungsten Carbide Burrs - Cross Cut Burrs And Carbide Carbide Rotary Burrs You get 10 different shaped burrs, all with 1/8 inch (3mm) shanks that fit most standard rotary tools and die grinders. The tungsten carbide material is what... 〖Packing〗One Strong Plastic Box To Keep Our Product 100% Safe And Complete To Get To Our Customer 10PCS Long Carbide Burr Set, 1/8" Shank Total 4" Compatible with Dremel Die Grinder Bits for Tight Area Woodworking, Engraving. 5 ౹ 8 sold. US $8.46 This Product Is 1/8(3mm)Shank, 1/4(6mm) Carbide Head.