Features This screw extractor set through strict process, surface polishing, feature high hardness, strong torque Works on wood and machine screws as well as PH, flat, hex or painted over screws Suitable for removing all kinds of damaged head bolts, screws Adopt high quality GCR15 tool steel manufacturing, have a long serving life Can be applied to maintain household, office, and so on Features:Adopt high quality GCR15 tool steel manufacturing, have a long serving life.This screw extractor set through strict process, surface polishing, feature high hardness, strong torque.Suitable for removing all kinds of damaged head bolts, screws.Works on wood and machine screws as well as PH, flat, hex or painted over screws.Can be applied to maintain household, office, and so on. Specifications:Material: steelColor: as the picturePackaging: plastic boxSize: as the picture Package Included:1 x 6 pcs/set screw extractor Package List