Remover screw damaged prograbit set

Remove screws and bolts with damaged heads from multiple material types. No need to guess when matching your drill size with extractor. Simply drill, flip, and extract. Features: Works on jagged, uneven and rough breaks. Self centering tip, no walking. Compatible with quick connect chuck systems. Easy to use with 3/8 variable speed reversible drill. Extracts screws up to 4 inches.