Quick Release 1/2-Inch Square Drive to 1/4-Inch Hex Female Socket Adapter Converter Chuck Adaptor for Impact and Ratchet Wrenches Feature: 1.1/2" square to 1/4" hex rapid load adapter for power tools. 2.It changes your 1/2" impact wrench into a 1/4" hex shank driver rapid load bit system, giving you two different tools. 3.Convert air or power impact wrench into a drill or wrench into a driver. 4.Adapter securely holds any 1/4" hex-shank bits. 5.High strength and hardness. 6.High shock