This solid aluminum stud is an essential part of every gaffer's kit. It is handy for attaching lights to almost anything with a 1/4 inch x 20 tripod screw mount. The 1/4 inch x 20 female threaded end allows for attachment to tripod mounts and many other lighting accessories. The black tapered end is removable exposing a 1/4 inch x 20 x 1/2 inch long screw thread for rig and through hole and nut attachment The opposite end is slotted for securing with a coin or screwdriver.