Double Head Design Our upgraded screw extractor set features a double head design that connects directly with a wrench, streamlining the process of removing damaged bolts quickly and effectively. Spiral Left Hand Structure Designed for enhanced grip, the spiral left hand structure of the hex head multi bolt extractor allows for faster threading speeds and reliable performance in difficult situations. Multi Tool Compatibility Compatible with both power tools and hand tools, this set makes it easy to remove broken or rusted screws and bolts, simplifying your projects at home or in the workshop. Sizes for Every Need The kit includes various sizes from 18 to 12, clearly engraved on each socket for quick identification, you can find the right tool without hassle. Use scenarios Automotive and mechanical repairs: When a bolt is damaged or stripped in an engine bay or chassis, use the double head design with a wrench to remove the bolt efficiently without further damage. Machinery and metalwork maintenance: For rusted or seized bolts on machinery, the spiral left hand grip helps bite the bolt and allow reliable extraction using either a power tool or a hand tool. Home improvement and furniture work: During assembly or disassembly of iron or steel fixtures, the varied sizes from 18 to 12 let you quickly locate the right extractor to remove broken bolts and screws with minimal effort.