Industrial Quality 1/2 Inch Shank Tongue Groove Router Bit Set Tungsten Carbide Cutters, sharp blade cutting smooth no burr, no edges Build-up & Heat Resistant Teflon Coating, prevents build-up of sawdust, resin, and pitch Suitable for MDF, solid wood, MDF, particle board, plywood, etc. Ideal tool for making wooden doors, wooden frame, cabinet box mortise Package included: 2 pc T-Slot Cutter Router Bit Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.