Grizzly C2125 Shaper Cutter with Double Lock Miter and 3/4-Inch Bore Grizzly 3/4-Inch bore shaper cutters feature top-quality c-2 carbide--the best available for wood cutting applications shaped and sharpened with dam Cutting length: 1-Inch Can be used on woods wood composites plywood and some plastics at 5 000 to 10 000 rpm