Compatible with multiple wrenches: This extension bar fits open end, hex, and socket wrenches, making it a versatile addition to your toolkit for a range of projects. Built to last: Made from strength chrome vanadium steel with a hardened body, providing durability and wear resistance in demanding conditions. Enhanced leverage: The thickened design delivers leverage, enabling you to tighten or loosen stubborn bolts efficiently with less hand strain. Comfortable and safe: Finely polished with smooth edges to reduce the risk of hand injuries and to provide a comfortable grip during extended use. Use scenarios: Automotive maintenance in tight engine bays or under dashboards where extra reach is needed. Machinery servicing in cramped spaces requiring additional torque to loosen or tighten bolts. Home improvement and furniture assembly in confined areas where standard extensions cannot reach.