The Camera Hex Stud from Kupo is a stud with a hexagonal adapter on one side to be mounted into a Kupo Convi or Super Viser Clamp and a round baby 5/8" (16 mm) adapter on the other with a 3/8"-16 male thread.
Hexagonal adapter on one side to be mounted into a Kupo Convi or Super Viser Clamp
Round 5/8" (16 mm) adapter on the other side with a 3/8"-16 male thread
Brass construction