Freud F03FR01533 RB Double Flute Straight Bit 12.7 x 31.8mm x 1/2\" Shank (12-11850P) The Freud F03FR01533 measures 12.7 x 31.8mm / 1/2in with a 1/2 inch shank. Freud\'s huge selection of carbide tipped and solid carbide double flute straight bits are ideal for grooving, edge-routing and other general purpose routing tasks. The precise hook and shear angles provide fast cutting and a smooth finish in hardwood, softwood, plywood and composite materials. Tips are relieved to allow for efficient plunge cuts. Designed for use in CNC, hand-held and table-mounted routers. Features: Freud Tico Hi-Density Carbide Clean cuts in solid wood, plywood and composites Use in CNC, hand-held and table-mounted routers Ideal For: grooving and edge-routing applications Specification: Cutting diameter 12.7mm Cutting height 31.8mm Shank Diameter 1/2\"