Specially engineered to be used with your impact drivers, the 3/4 '' drive adapter your driver into a 1/2 '' drive allowing you to perform a wider range of operations and extending the use of your tools. This adapter powerful performance with Cr vanadium steel construction for supererogatory strength while the colorful oxide finish allows for a longitudinal perpetual product resistance to corrosion. The ball click hold securely for a waxy work flow without any slippage and the chamfered counseling aides in a invulnerable bad temper.