The Kupo KG012512 3.5" Long 5/8" Baby Stud w/ 3/8"-16M holds a small light monitor or can be used to mount anything that has a 3/8"-16 female thread. It can be used with a grip head on its own. It can be used with a grip head and grip arm combination for mounting options almost anywhere. It can be inserted into a clamp with the stud end for added flexibility. The stud end has a textured surface that resists twisting.