UEB Damaged Screw Remover Set, Damaged Screw Bolt Extractor Remover Set Pack of 4, Easy Out with Right Handed Boring Drill Bit Set for drill, screw or bolt Easy removal of rusted, free-spinning screws and deck screws.Made of durable hardened steel The 4 piece screw extractor set works with any drill and any screw size or bolt,Great for stripped, Made of durable 4341# hardened steel(62HRC),Works on wood and machine screws as well as philips. Easy to use, just two easy steps! An essential part of every tool kit box. Packing include:1 set of 4 Screw Extractor Drill Bits,1 Box