It's a universal socket that instantly adjusts to grip hex nuts, screw eyes, hooks, lag screws, and bolt heads.
Multiple Sizes in One
No need to try different sizes until finding the correct size. This is a must-have tool for people who uses wrenches a lot or who loses their correct size socket often, you only need one and you can use all size.
It features a wide range of adjustability that will fit standard 1/4-inch to 3/4- inch and metric 7mm to 19mm nuts and bolt heads.
When placed onto a fastener, the center pins retract and the outer pins surround the fastener. As the fastener is turned, the torque is transmitted through the outer pins to the walls of the socket, making this socket an ideal choice for heavy-duty personal or professional use.
Unique stainless steel construction with 54 individual hardened steel spring pins that retract to the shape of most objects.