Rebar Cutter, 3/8 in Drill Bit Size, Carbide Tipped, 12 in Overall Length, Straight, 10 in Maximum Drilling Depth, 3/8 in Shank Diameter, Regular Spiral This straight-shank, carbide-tipped rebar cutter fits standard, 3-jaw chuck drills and hammer drills. The bit is designed to cut faster, and lasts longer than conventional cutters. It is designed for use in rotation mode only. Not to be used in hammer mode.