Developed to work with latest generation of high torque cordless impact wrenches capable of generating above 1,000Nm of Torque The HMT VersaDrive HD Quick Change 3/4\" Impact Adapter is made from Impact hardened Manganese Phosphate. With a Heavy Duty Pull-Forward Release mechanism with hardened steel collar. Developed to work with latest generation of high torque cordless impact wrenches capable of generating above 1,000Nm of Torque. Supplied with retention pin and ring. 60mm OAL. Features: Impact hardened Manganese Phosphate 3/4\" adapter 3/4\" HD adapter with Pull-Forward Release - reduces risk of tool loosening during use Developed to work with latest generation of high torque cordless impact wrenches capable of generating above 1,000Nm of Torque Specification: Drive Size: 3/4in Diameter: 38mm Length: 60mm