Brand new Quick Release 1/2-Inch Square Drive to 1/4-Inch Hex Female Socket. Made of high quality material for maximum strength and durability. Quick-release mechanism allows for easy, one-handed swapping between bits while working, fits tightly both ends, firm grip onto the drill, and holds the bit nicely. This is a-must-have adapter if you plan to work on cars or wood works around the house. In terms of any problem of this product, you can send emails as soon We will provide you excellent customer service and 100% satisfaction warranty. 2 PCS 1/2 inch Square Drive to 1/4 inch Hex Female Socket Adapter Converter Chuck Adapter.