A super strong extractor set made of a special hardened, shock resistant tool steel. Works on both left and right hand threads. Drill properly sized hole in fastener and drive Super Out Extractor into hole. Super Outs cut their way STRAIGHT into bolts, eliminating wedging or further tightening of frozen bolts and screws. Five extractor sizes extract 1/4" to 1/2" and larger bolts and screws.