Size: Shoe 1/4" x 2This Hot Shoe to 1/4"-20 Male Adapter has a threaded 1/4"-20 stud on the top and a "cold" male flash shoe on the bottom. This adapter allows you to mount camera accessories that only come with a 1/4"-20 socket to cameras, rigs, camera brackets, and any tripod or light stand that only feature a flash shoe. For added security, the knurled locking ring assures a tight connection to the accessory.