This woodworking router bit is made of quality material, tungsten steel blade, 45# carbon steel body, spray-painted surface, with very nice and cleanmiter lock joints. Industrial standard design, 3 types optional, you can choose 1/4*2, 1/4*1-3/8 or 1/2*2 according to your demands. Perfect for jointing wood edge-to-edge or end-to-end. Practical tool that produces perfect effects to make professional joint. You can have a try.Specifications:Name: Router BitColor: yellow + silverMaterial: 45 carbon steel + tungsten steelType: 1/4*2, 1/4*1-3/8, 1/2*2 (optional)Item weight:1/4*2: 95.8g / 3.38ounce1/4*1-3/8: 44.4g / 1.57ounce1/2*2: 130.2g / 4.59ouncePackage size: 50 * 50 * 92mm / 1.97 * 1.97 * 3.62inPackage weight:1/4*2: 117.9g / 4.16ounce1/4*1-3/8: 56.1g / 1.98ounce1/2*2: 152.3g / 5.37ounce1/4*2:Overall length: 51mmDrill Bit diameter: 2"Drill Bit length: 16.5mmShank diameter: 6.35mm1/4*1-3/8:Overall length: 50.8mmDrill Bit diameter: 1-3/8"Drill Bit length: 16.5mmShank diameter: 6.35mm1/2*2: Overall length: 62mmDrill Bit diameter: 2"Drill Bit length: 23mmShank diameter: 1/2Packing List: 1 * Woodworking Router Bit