Features: Durable Material: This 15-piece tool set is forged with chrome-vanadium steel and features a surface electroplating treatment, providing strong anti-rust properties for long-lasting use. Superior Grip & Secure Hold: Each of the extension bars features non-slip knurled bands that offer enhanced grip. The spring-loaded detent ball ensures that your sockets aren't going anywhere. Versatile Set: This socket adapter and universal joint set includes 3 universal joints, 4 socket adapters, and 8 extension bars, providing a wide range of options for various tasks. Easy to Use: The tools are designed for easy use, with the universal joint sockets allowing for work in tight spaces and the socket adapters ensuring compatibility with different sizes. Wide Application: This tool kit is suitable for automotive maintenance, home maintenance, machinery maintenance, etc. It's a must-have for mechanics and DIY enthusiasts. Specifications: Item Name: Socket Accessory Main Material: Chrome-Vanadium Steel Color: Silver Package Information: Package Size: 25.5*12.5*5cm/10.04*4.92*1.97inch Package Weight: 1665g/3.67lb Package List: 3 * 1/2" Extension Bar 3 * 3/8" Extension Bar 2 * 1/4" Extension Bar 1 * 3/8" F to 1/4" M Reducer 1 * 1/2" F to 3/8" M Reducer 1 * 1/4" F to 3/8" M Adapter 1 * 3/8" F to 1/2" M Adapter 1 * 1/2" Universal Joint 1 * 3/8" Universal Joint 1 * 1/4" Universal Joint Package List 3 * 1/2" Extension Bar 3 * 3/8" Extension Bar 2 * 1/4" Extension Bar 1 * 3/8" F to 1/4" M Reducer 1 * 1/2" F to 3/8" M Reducer 1 * 1/4" F to 3/8" M Adapter 1 * 3/8" F to 1/2" M Adapter 1 * 1/2" Universal Joint 1 * 3/8" Universal Joint 1 * 1/4" Universal Joint