X-Trax Screw Remover Set – 4 Piece Designed to drill out and remove even the most stubborn stripped, broken, damaged, embedded, rusted or painted-over screws and bolts. Features: Reverse thread design with dual tips quickly removes stripped or broken screws and broken off bolts without damaging surrounding area Manufactured from quality M2 6542 tungsten alloy. Allows removal of many types of fasteners including stainless steel, hardened steel and brass, up to 12.9 tensile strength Works with any adjustable chuck drill Contains: both 1/4 inch and 5/16 inch hex shank screw extractors Works with the following size damaged fasteners: #1 (#4-7 screws; #10/5mm bolts) #2 (#8-10 screws; 1/4 in./6mm bolts) #3 (#11-14 screws; 5/16 in./8mm bolts) #4 (16-24 screws; 3/8 in./10/ bolts) Storage case included
