4 pcs/set screw extractor drill bits guide set broken remover easy out, damaged screw extractor, wood cutter drill bit set size: 1 #, 2 #, 3 #, 4 # operating instructions directly into drill or quick-change chuck-burnishing end is showing set drill for reverse (counterclockwise). Place burnishing end of tool into damaged screw, slowly clean inside screw head until smooth burnishing tool end in not to be used to drill a hole. Removing remove burnishing end from chuck, flip tool, replace into drill chuck-remover end now showing. Maintain reverse setting (counterclockwise). Place remover end of tool into now smooth screw head. Apply firm downward pressure, drill at slow speed. Apply lowest level of power to the hand drill. Remover end will thread into screw head and remove. package : 4 x damaged screw extractor.
