Sturdy Efficiency Constructed from drop-forged alloy steel, this torque wrench adapter offers a long service life with wear-resistant, rust-resistant, and non-slip characteristics. Built to last, it provides reliable performance under demanding use. Effortless Reach Extension Featuring a 1/2 inch hole, the adapter smoothly navigates hard-to-reach areas and adds 13.4 inches of extension without causing arm strain. Boosts Wrench Efficiency Engineered to accommodate 1/2" drive or 21mm hex drive, it broadens compatibility with jumbo, knuckle, and adjustable wrenches, sockets, and ratchets through precision machining. Improved Performance The wrench extender provides extra leverage, enabling work on car engines or tightening bolts in tight spaces, saving time and reducing effort. Typical use scenarios - Reaching bolts in tight engine bays or between components where a standard wrench cannot reach. - Extending reach in confined spaces such as under dashboards, near exhaust systems, or inside machinery assemblies. - Using with jumbo, knuckle, or adjustable wrenches and sockets to improve leverage during maintenance or repair tasks.