Description: Superior abrasion resistance, high abrasion resistance, high-precision grinding technology. Unique head design, chip removal more smoothly,cutting smooth no burr, no edges. Using high-frequency welding technology,strong, durable. High-grade steel blade makes clean and accurate cuts on wood. Suitable for both professional carpenters and hobbyists. Specification: Material: hard alloy Color: Black Shank Diameter: 12mm/ 1/2'' Whole Height: 53mm Cutter Diameter: 16mm Package Includes: 1 piece Router Bit Note: Please allow 1-3mm error due to manual measurement, make sure that you do not mind before you bid. Due to the different monitor and light effect, the actual color may be slightly different from the picture color