MINIFOCUS 1'' Ball Clamp Mount with Cold Shoe Ball Mount Head Base Adapter Connector for Diving Light Arm Underwater Camera Waterproof Housings Case Video/Flash/Strobe Hot Shoes

Ball Clamp Mount:360 Degree Butterfly Clip adapter bracket holder is used to attach 2 ball arms, base adapters and strobes together, The Underwater Light Arm System clamp mount for 1 ball compatible with most of the arm and camera.