【SWIVEL SOCKET ADAPTER SET】This 3-piece set includes: ▼ 1/4", 3/8" and 1/2" Drive Universal Joint Sockets. ▼ A sturdy blow-molded case is included for easy and safe storage. 【PREMIUM CHROME MOLY STEEL】The universal joint swivel sockets are made of Chrome Molybdenum alloy steel and coated with Manganese Phosphate for rust and corrosion resistance, ensuring durability and lasting quality. A lifetime investment in quality tools 【360° FLEX HEAD】Full impact grade and compatible with impact tools, the smooth 360° swivel movement allows for a wide rotating angle, with detent balls for secure retention. ▼ This makes the swivel socket adapter set ideal for working in tight spaces and accessing hard-to-reach fasteners from any angle. 【VERSATILE APPLICATION】The swivel adapter can be used as a swivel when pulled out, or locked in place when pushed in. ▼ The pin-free hex locking and 6-point contact design is 3X stronger than traditional pin-type designs 【RELIABLE & EFFICIENT】Made in Taiwan. At MichaelPro, our tools undergo strict quality control to guarantee they are durable and long-lasting. MichaelPro tools are a must-have choice for professionals, home improvement enthusiasts, DIYers, collectors, and mechanics. If you have any questions, feel free to contact us. We are always here to help.