Description: Made of cemented carbide for high hardness and long service life. Industrial Quality Router Bits Usually use on electric wood routers or engraving machines to cut rabbet, profile for tenon jointing. Build-up & Heat Resistant Coating Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Totally enclosed & lubricated High hook & shear angles allow cutters to slice smoothly into stock producing clean, splinter free. Specification: Material: Carbide Alloy Color: Yellow Shank Diameter: Approx. 8mm/ 0.31inch Cutting Edge Diameter: Approx. 38mm(1-1/2") Total Length: Approx. 52mm(2.05") Package Includes: 1Piece Lock Miter Router Bit Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test