This 3.5" Extra Long 5/8" Baby Stud with 3/8"-16 Male Thread from Kupo can be used with a Kupo Convi Clamp, grip head, or any accessory with female 3/8-16" threads. Additionally, the 1" long male threads can be mounted on a clamp or piece of grip gear, while the stud end supports a light or other device with a 5/8" Baby receiver. The adapter is made of lightweight aluminum, and the stud end provides a knurled surface to prevent twisting.