Features: 1. Universal joint socket set - Impact universal joint socket set swivel drive adapter reducer, three sizes for you to choose: 1/4, 1/2, and 3/8 inch, flexible socket 2. High quality - 100% new and high quality chromed vanadium steel universal joint socket set 3. Firmly fixed - Spring loaded ball bearing on head holds sockets/extensions securely 4. Extension bar steel adapter- Locks onto ratchet or extension bar 5. Easy access - Allows easy access in awkward areas Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Specification: Color: as shown Material: chromed vanadium steel Size: Diameter Length 1/2 inch:12.5mm 76mm 3/8 inch:10mm 55mm 1/4 inch:6.3mm 41mm Package contents: Choice 1: 1pcs * Universal Joint Socket Choice 2: 3pcs * Universal Joint Socket includes:Choice 1: 1pcs * Universal Joint Socket Choice 2: 3pcs * Universal Joint Socket