Feature: Made of high quality carbide alloy, solid, durable, sharp and wear resistance, longer lasting. Perfect for hand-making a drawer or other woodworking, etc.. Solid hardened steel bodies with anti-Kickback design reduce kickback effect and ensure a safer working environment. Highly sharpen, sharp blade cutting smooth no burr, no edges. Solid material bodies with anti-kickback design, build-up and heat resistant coating. Works great with all kinds of materials and surfaces, like woods, mdf, particle boards, plywood, panels, softwood, hardwood and many others. 5 optional sizes can be selected. Router Bit only, other accessories demo in the picture is not included. Specification: Material: Cemented Carbide Optional Size: (Height x Diameter x Shank Dia.) A: app.90.5 x 25.4 x 8mm/3.56 x 1 x 0.32in B: app.93 x 28.6 x 8mm/3.66 x 1.13 x 0.32in C: app.85 x 22 x 8mm/3.35 x 0.87 x 0.32in D: app.86.5 x 38.1 x 8mm/3.42 x 1.50 x 0.32in E: app.94.5 x 34.9 x 8mm/3.72 x 1.30 x 0.32in Color: Sil