Description Product Reviews Klein Carbide Hole Cutter Set 4 Pc 31872 Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16” (5 mm) thick Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16” (5 mm) thick Split point pilot drill bit prevents bit walking Set contains: 7/8”, 1-1/8”, 1-3/8” plus one extra pilot bit Integrated flange prevents the operator from drilling beyond the sheet metal. Conduit and pipe sizes: 1/2” (13 mm)-1” (25 mm) 0 Reviews Hide Reviews Product Reviews