General description This 2X Breaker Bar Wrench Extension is designed for both 1/2 inch drive and 21mm hex drive, making it a versatile tool for professionals. It enhances leverage when loosening or tightening stubborn rusty nuts and bolts, allowing for easier removal and saving effort. Technical specifications Drive Size: 1/2 inch or 21mm Hex Drive Material: Heat-treated steel with protective coating Color: Black Package Contents: 2 x Wrench Drive Measurement allowed error: +/- 1-3 cm Usage The wrench extension adapter can be used to: Extend wrenches for more leverage Loosen or tighten stubborn rusty nuts and bolts Access hard-to-reach areas Other information The sturdy construction prevents the drive from slipping or rounding, ensuring durability and longevity. The anti-rust material resists daily corrosion and tarnishing, making it suitable for years of use.