1 Set 6mm Double Shank Tungsten Carbide Straight Router Bits for Woodworking Feature: 100% brand new and high quality. For handmade drawers or other woodworking. Industrial quality router bits. Heavy duty hardened steel body with anti-kickback design. Teflon coating resists build-up and heat. Hook & Shear Angles: High hook and shear angles allow Cutters (C3 Micrograin Tungsten Carbide) are used to cut through stock smoothly, producing a clean, chip-free result; Bearings: Totally enclosed and lubricated. Specification: Item: Router Bit 6mm shank router bit. Material: 45# steel Shank diameter: 6MM