Broken Bolt Extractor Kit Allinone multifunction set: Includes a 6piece chromemolybdenum screwdriver set, a 6piece speed steel drill set, and 13 nut drivers to handle a wide range of tasks and bolt sizes, including bolt extraction needs. Durable, performance materials: Screwdrivers made from chromemolybdenum for strength and longevity; drills made from speed steel for dependable cutting and drilling performance. The kit is designed to withstand heavy use and deliver reliable bolt removal with ease. Designed for easy organization: Features a designated storage space to ensure quick access and maintain orderly storage for your tools. Portable and convenient: Small, lightweight design makes this kit easy to carry for quick fixes outdoors, anytime, anywhere. Practical use scenarios: Automotive and mechanical work: remove rounded or damaged bolts in engines, exhaust systems, and other vehicle components. Home improvement and furniture maintenance: extract stripped bolts in doors, furniture assemblies, and cabinetry. Outdoor equipment and bikes: service lawn equipment, bikes, and other outdoor gear where bolt removal is needed. Key attributes at a glance: function and versatility across multiple fastener sizes; compatibility through 13 nut drivers; compact size for portability; durable chromemolybdenum and speed steel construction; reliable performance for heavyuse bolt extraction tasks.