About this item 【SOLVES STRIPPED & BROKEN FASTENERS】This screw extractor kit for removing stripped screw extractor, broken, rusted, or frozen bolts and screws. The easy out screw extractor set design removes damaged hardware 【BUILT WITH PROFESSIONAL-QUALITY MATERIALS】The bolt extractor set is forged from hardened CR-MO steel for maximum strength and torque resistance. Included left-hand drill bits are made of HSS cobalt more durable 【MAXIMUM GRIP, EASY REMOVAL】Spiral and spline extractors bite deeper as you turn, generating incredible gripping force. This broken bolt extractor kit effectively removes even the most seized and rounded fasteners where standard tools fail 【COMPLETE SET FOR MOST SIZES】Aversatile 40-piece kit covers the most common fastener sizes encountered in automotive, machinery, and home DIY projects. Includes extractors, nut removers, drill bits, and adapter 【READY-TO-USE & PORTABLE】All tools are securely organized in a rugged, compact carrying case. Each fits snugly in its custom spot for instant use and maximum portability. Follow the simple included steps for professional results