Features 1、C3 micro-grain tungsten carbide cutter blade. 2、Solid hardened steel bodies with anti-kickback design. 3、Build-up and heat resistant teflon coating. 4、The bearing is totally enclosed and lubricated. 5、Suitable for composition materials, plywood, hardwood, and soft wood. Specification Features: C3 micro-grain tungsten carbide cutter blade. Solid hardened steel bodies with anti-kickback design. Build-up and heat resistant teflon coating. The bearing is totally enclosed and lubricated. Suitable for composition materials, plywood, hardwood, and soft wood. Designed for professional carpenters and woodworking enthusiasts. Specification: Material: Carbide Alloy + Steel Shank diameter: 8mm/0.31in Blade diameter: 12.7mm/0.5in Blade length: 25mm/1in Total length: 82mm/3.23in Package list: 1 * Router Bit Package List