General description Removing broken or damaged screws, bolts, and fasteners is effortless with this high-performance bolt extractor set. It is designed to quickly and easily remove broken or rusted screws, bolts, and studs, making it a practical solution for various applications. Technical specifications Includes 6 pieces of screw extractors Suitable for screws, bolts, and studs with diameters ranging from 4 mm to 25 mm Made of high-quality, durable material for long-term use Other information Comes in a portable storage box Includes an additional 6 pieces for drills