Freud 44-100 Three-Flute Carbide Flush Trim Router Bit, 1/2" Bearing Dia. x 1"Use on portable or table mounted routers. These are the bits to rely on for a smooth, burn free cut. Two flutes provide faster cutting and three flutes yield a superior finish. Cuts all composition materials, plywoods, hardwoods, and softwoods. Carbide tipped Use on portable or table mounted routers Ideal For trimming laminates & pattern work These are the bits to rely on for a smooth, burn free cut Two flutes provide faster cutting and three flutes