Yonico 15223 Matched Tongue and Groove Router Bit Set with Edge Banding 1/2-Inch Shank Industrial Quality Router Bits C3 Micro-grain Tungsten Carbide Cutters Solid Hardened Steel Bodies with Anti-Kickback Design Build-up & Heat Resistant Teflon Coating Satisfaction Guaranteed & Lifetime Warranty Industrial Quality Router Bits C3 Micro-grain Tungsten Carbide Cutters Solid Hardened Steel Bodies with Anti-Kickback Design Build-up and Heat Resistant Teflon Coating Satisfaction Guaranteed and Lifetime Warranty