❀【Function】Perfectly connect with the ball head to plug in the fill light, flashlight or action camera when Normal shooting and underwater photography. Finding the buoyancy for your underwater camera through the standard ball clamp. With 2 holes, and Plates are spring-loaded to assembly and breakdown the arm system easily, Not easy to fall off. ❀【Features】Made by Aviation aluminium alloy. The surface is sandblasted and treated by anticathode oxidation.Type III hard coat anodizing Aluminium. Lightweight, durable and anti-corrosion, can rotate 360, degrees, multi-position free connection and fixation, have more freedom to adjust the flash direction. ❀【Usage】The ball clamp is used to attach 2 arms, base adapters and strobes together, The clamp mount for 1" ball compatible with most of the arm and camera. Standard clamp attaches 1'' ball to ball arms. Perfectly connect the ball head with the fill light, flashlight, arms, floats or action camera when normal shooting and underwater photography. ❀【Wide Range Of Uses】Works with 1" ball arms for CamDive, Meikon, Ikelite, TLC, Ultralight, Nauticam RAM Mount and others. ❀【Package】1" butterfly Dual ball clamp mount x 4.