1. Made of high-quality aluminum alloy. The surface is treated with hard anodic oxidation, it feels comfortable, integrated design, strong oxidation resistance, effectively prolong the service life     2. Find the buoyancy for your underwater camera through a standard ball clamp. For example, standard clamps connect a 1-inch ball to the ball arm. In normal shooting and underwater photography, the ball head is perfectly connected with the fill light, flashlight, arm, floating or sports camera.     3. Suitable for CamDive, Meikon, Ikelite, TLC, Ultralight, Nauticam RAM Mount, etc.     4. Adopting 360°rotating design. Adjust the tightness of the handle to realize the function of multi-angle shooting. Suitable for underwater shooting          Colour: black     Material: aluminum alloy          Package Contents:     4 x Diving camera butterfly clips          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.