[High Precision and Great Strength] - The high quality router bit is made of strong, durable tungsten alloys, ensuring professional and extremely precise processing of wood. [Long Service Life] - Cutting sharp, smooth rotation, fast operation, high hardness, good wear resistance, significantly improving service life. [Anti-kickback solid design] - Steel body hardened with anti-kickback balanced design with high quality guide and bearing. [Shank Diameter: 8mm] - Blade Diameter: 12mm; Blade Length: 13mm mm mm. [Usage] - For handcraft or woodworking; MDF, solid wood, particle board, wooden door frames, wooden window frames, cabinets and boxes.