Universal Wrench Extender Adaptor for 1/2 Inch Drive Leverage Extension

Compatible with 1/2 inch drive or 21 mm hex drive         Designed to extend wrenches with another wrench or ratchet to create more leverage         The heat-treated steel structure is both strong and durable Black Coating: The black coating on the surface effectively prevents rust             By extending the wrench, stubborn nuts and bolts can be removed easily.