Description: Using for hand-making or woodworking Industrial Quality Router Bits The blade is made of high quality tungsten steel alloy forging blade, body is made of titanium steel material(HSS) Build-up & Heat Resistant Teflon Coating Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Industrial grade micro grain carbide blade Specification: Material: Carbide alloy Shank Diamter: 12.7mm( 1/2") Whole Length: Approx. 55mm Max. Cutter diameter: 55mm Package Includes: 1 Piece Router Bit