Freud 3 Piece Premier Adjustable Cabinet Bit Set (1/2" Shank) (97-150) All bits have 1/2" shanks and are designed to be used on 5/8" to 1-1/4" stock. Includes attractive wooden storage box. Cuts all composition materials, plywoods, hardwoods, and softwoods. Use on table-mounted portable routers with 1/2" shank.