DESCRIPTION: Features of our 1/2 inch square to 1/4 inch hex drill socket adapter: 1. Made of high-quality solid alloy, with good durability, high shock resistance and anti-rust. 2. You can turn any pneumatic or electric impact wrench into a drill bit, or turn a ratchet wrench into a screwdriver. The quick release and safety lock design can improve your work efficiency. 3. The operation is simple and can be replaced with one hand without using other tools. The adapter can securely fix any 1/4 hex handle.SPECIFICATION: Material: high quality solid alloy Color: black Size: Top Diameter: 18mm Bottom Diameter: 22mm Length: 50mm PACKAGE INCLUDES: 2 x 1/2 inch to 1/4 inch socket adapter 2 x rings 2 x pins WARRANTY: 1.We adhere to Amazon Return Policy. 2.Within 30 days, any quality problems, we will take full responsibility. 3.Any damages happened during shipping period, we will burden the cost.