Aluminum Thumbscrew, High quality stainless Steel Acorn Nut. The length of Thumbscrew is about 2.2 inches.
A small rubber ring is good for preventing abrasion. It is not essential for everyone, so put them away when you don’t need it.
Made of high quality Aluminum with a Threaded End, replace the plastic tripod mount. Tripod mount for attaching your quick-release sport camera to a standard 1/4-20 tripod stud. Built-in threaded end eliminating the need for a nut, convenience and no worry about losing the nut.
The combination of screw + wrench can tighten or loosen the screw easier
Wide utilization between sport cameras and accessories