General description This is a 400mm impact extension bar designed for 3/4" square drive tools. It is suitable for use with impact wrenches and other power tools, providing extended reach for fasteners in hard-to-access areas. Technical specifications Length: 400mm Drive Size: 3/4 inch square Material: Forged steel Finish: Hardened, tempered, and chemically blacked for corrosion resistance Includes: Pin and ring for secure attachment Compatibility and accessories Compatible with impact wrenches and power tools with 3/4" square drive Supplied with pin and ring for secure connection Installation Attach the extension bar to your impact wrench or power tool using the pin and ring provided Usage Use to extend the reach of impact tools for fasteners in tight or hard-to-access spaces Ensure proper attachment before use to prevent accidents Other information Expert quality, forged for durability and strength Hardened and tempered for long-lasting performance