5pc Tempered Steel Screw & Bolt Remover Extractor Set 1/8" - 7/16" Easy Out for Broken Drill Bits, Etc. Tapered head; squared ends prevent turning in chuck Fit into sockets or die handles to use by hand or in power drill Reverse threaded 5 sizes: 1/8", 3/16", 1/4", 5/16", 7/16" Tempered Chrome Molybdenam Steel for lasting durability