This Impact Double-Ended Spigot with 5/8″ Stud and 1/4″-20 Threads is a replacement for the stud in Impact’s Gaffer Clamp or Manfrotto’s Sky Hook Gaffer Clamp. This solid brass accessory fits into the clamp’s 5/8″ receiver providing compatibility with cameras or accessories with a 1/4″-20 threaded socket. In reverse position, it accommodates lighting accessories with a 5/8″ (16mm) baby pin receiver.