Universal Automotive Wrench Extender Adaptor for 1/2 Inch Drive Breaker Bars/21 mm Hex Drive,Wrench Extension Tool for Leverage over Stubborn Nuts and Bolts

Features
For 1/2 Inch Drive Breaker Bars/21 mm Hex Drive
For Leverage over Stubborn Nuts and Bolts
Made of high-quality steel
Surface painting treatment, corrosion resistance
The tool can be flipped to tighten or loosen nuts and bolts.