Features: Brand new and high quality Strong Compatibility: Universal wrench extender tool is compatible with 1/2″ drive breaker bars or 21mm hex drive，wrench extension adapter is compatible various cheater bar, ratchet wrench. High Quality: Universal wrench extender material is upgraded, made of heat-treated high carbon steel, with impact resistance and durability. The black coating on the surface of the universal wrench extender adaptor can effectively prevent rust and corrosion. Strong Torque: Extension wrench adaptor is a lengthened wrench tool used to lift the lever force. universal wrench extender connects the circuit breaker rod or ratchet to the tool. extend wrenches tool provides a longer lever arm to increase the torque. Easy Work: Wrench extension tool allows you to extend the wrench and easily tighten or loosen rusty bolts or over-tightened nuts as a fulcrum. Service: Our universal wrench extender tool provides lifetime warranty. If there is any quality problem, please contact us replacement or full refund. Specifications: Material: Metal Size: 8x4.4cm Package Includes: 1PC x Wrench Extender Adaptor note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.