3PCS ¼-inch, ⅜-inch, and ½-inch Square Drive Universal Joint Swivel Bit Holders

– Set consists of ¼-inch, ⅜-inch, and ½-inch drive universal joints
– Made from heat treated chrome vanadium steel with chrome finish for extra durability and corrosion-resistant.
– The sleeve can be turned to any direction freely with the 90-degree swivel head that locks onto socket and drive for fast and easy use, and to make leverages turn in any direction
– Spring-loaded detaining balls securely latch onto drive tool, preventing it from being dropped.
– Suitable for all the hexagonal side handle four square hole groove
– Turns all bits into U-Joint Drivers