The Camera Hex Stud from Kupo is a stud with a hexagonal adapter on one side to be mounted into a Convi or Super Viser Clamp and a round baby 5/8" (16 mm) adapter on the other with a 1/4"-20 male thread.
Hexagonal adapter on one side to be mounted into a Kupo Convi or Super Viser Clamp
Round baby 5/8" (16 mm) adapter on the other with a 1/4"-20 male thread
Brass construction