【Material】High quality carbide groove cutter, high hardness and long service life. 【8mm Wood Router Bits】6 bearings: 9.52mm, 12.7mm, 15.9mm, 19.05mm, 22.2mm and 28.6mm; cutting height: 12.7mm; cutting diameter: 34.9mm; total length: 56mm. 【Anti-kickback Design】Solid hardened steel cutter body with anti-kickback design, the CNC is balanced with high quality guide bearings. 【Practical and Efficient】Yellow heat-resistant coating prevents the accumulation of wood chips and resin and asphalt, and the sharp blade will improve work efficiency and product quality. 【Application】Suitable for MDF, solid wood, particle board, plywood, etc. Generally used for processing wood edges on an electric wood cutting or engraving machine. Specification: Material: Carbide Alloy Color: Yellow Shank Diameter: 8mm 6 Bearing Sizes: 9.52mm, 12.7mm, 15.9mm, 19.05mm, 22.2mm and 28.6mm Cutting Depth (Radius): 1/2", 7/16", 3/8", 5/16", 1/4" and 1/8" Cutting Height: 12.7mm Cutting Diameter: 34.9mm Total Length: 56mm