Freud  3/8" Radius Rounding Over Bit, 1/4" Shank (Quadra-Cut) (34-114) N/A Imported Cuts all composition materials, plywoods, hardwoods, and softwoods. Use on hand-held and table-mounted portable routers. Cuts all composition materials, plywoods, hardwoods, and softwoods Use on hand-held and table-mounted portable routers