Bolt & Screw Extractor Set

The new generation of screw extractors, tapered flute design. For unscrewing ruined screws and bolts without damaging threads. Can be turned in clockwise or counterclockwise direction (for right-and left-hand threads). Made of high-strength steel (chrome vanadium) for greater resistance to breaking and rounding out. With center punch pin. Unique hex shank design works well with all standard hex sockets and extensions or box wrenches, eliminating the problem of rounded corners. Surface: burnished, cutting edges polished. Industrial quality. Non-slip and dual-edged engagement with the screw or bolt to be removed.