[Premium Material]Slab flattening router bit is made of microcrystalline carbide inserts and solid hardened steel body for superior wear resistance and sharp edges [Versatile Wood Bit]This wood planing bit is not only specially for wood slab flattening, resurface or plane the top surface of the spoilboard, but also for trimming, slotting or grooving. Best choice for woodworking carpenter [Unique Design]3 Edges spoilboard surfacing router bit,Solid hardened steel boby with anti kickback design, build up with heat resistant Teflon coating which can reduce resin build-up [Use Range]Slot cutter router bit is suitable for solid woods, MDF, laminate, particle board, plywood compact panel, acrylic and etc.