Set of 7 groove cutters, 6 mm shank, router, groove cutter, wood cutter Feature: 100% brand new and high quality. Body and heat resistant Teflon coating. Solid hardened steel body with anti-kickback design. Easy to use and set up with storage case. Precisely machined carbide for clean and accurate trimming, grooving for all types of wood materials. Widely used and suitable for woods, laminate, chipboard, plywood compact boards. Specification: Material: Tungsten carbide Color: As shown in the picture Shank diameter: 6 mm Size: Approx. 54 * 3 * 13 mm / 2.1 * 0.12 * 0.5 inch 60 * 4 * 20 mm / 2.4 * 0.16 * 0.78 inch 60 * 5 * 20 mm / 2.4 * 0.2 * 0.78 inch 69 * 6 * 30 mm / 2.7 * 0.24 * 1.2 inch 69 * 8 * 30 mm / 2.7 * 0.3 * 1.2 inches 65 * 10 * 30 mm / 2.55 * 0.39 * 1.2 inches 65 * 12 * 30 mm / 2.55 * 0.47 * 1.2 inches Weight: 120 g Delivery content: 7 pieces of router bits Notice: Please allow 1-3mm error due to manual measurement. The colors may be different as difference display, please understand.