6Pcs Cleaning Bottom Router Bit with 8mm Shank, Size: 8x18; 8x20; 8x22; 8x25; 8x30; 8x32. Solid hardened steel bodies with anti-kickback design. Build-up and heat resistant Teflon coating. C3 micro-grain tungsten carbide cutters, double-edged cutting design, excellent concentricity. Ideal woodworking tool for cutting all composite materials, plywoods, hardwoods, and softwoods. Package Includes: 6 x Cleaning Bottom Router Bits Features: - C3 micro-grain tungsten carbide cutters - Solid hardened steel bodies with anti-kickback design - Build-up and heat resistant Teflon coating - Alloy blade with high-grade welding, stable quality, high efficiency - Cemented carbide construction, great replacement for old bits Specifications: - Material: Cemented carbide - Color: Yellow - Shank Diameter: 8mm Note: When using the router bit, wear proper protective equipment to prevent injury from wood chips or debris. Size measurements are manually taken and may have a 0 to 5 mm variation, which is considered normal.