Features: The router bits head are made of industrial high strength carbide material, which provide smooth, clean and accurate cut on various types of wood. Industrial carbide router bits head with hardened alloy HCS body construction ensures superior wear resistance, even can withstand some heavy duty woodworking. The shank is compatible with all major router machine. Nice performance on soft woods, hard woods, MDF, particle board, acrylic, etc. Solid hardened steel bodies with anti kickback design. Build-up & heat resistant teflon coating. Bearing: Totally enclosed & lubricated. Hook & Shear Angles: High hook & shear angles allow cutters (C3 Micro-grain Tungsten Carbide) to slice smoothly into stock producing clean, splinter free. Package Includes: 1x Woodworking Milling Cutter Specifications: Material:Tungsten Steel Alloy Size: Approx.14x1.8x1.27cm/5.51x0.7x0.5inch Size: Approx.14x1.8x1.2cm/5.51x0.7x0.47inch Size: Approx.14x1.7x1.27cm/5.51x0.66x0.5inch Size: Approx.14x1.7x1.2cm/5.51x0.66x0.47inch note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.