Specification Brand : XIXIAN BulletPoint1 : MATERIAL: Mainly aluminum alloy construction, features solid construction, abrasion resistance and rust protection. BulletPoint2 : PROCESSING: Modern anodisation surface tech, enhancing corrosion resistance and antistatic performance. BulletPoint3 : INSTALLATION: Adopting tool-less design for easy installation, lightweight to carry and fast to start up with. BulletPoint4 : SPRING: Premium spring inside making the ball mount be held tight, but also has a certain flexibility underwater. BulletPoint5 : APPLICATION: Kindly designed for underwater photography as a clamp connector, making 1-inch standard ball heads linked. Color : Black Department : unisex-adult ItemName : XIXIAN 1 Inch Ball Clamp Aluminum Alloy for Underwater Light Arm Tray Scuba Diving Photography Camera Mounting ItemPackageDimensions_Height : 17.8 centimeters ItemPackageDimensions_Length : 3.4 centimeters ItemPackageDimensions_Width : 14.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : underwater-lighting-parts-and-accessories Manufacturer : XIXIAN Material : Aluminum NumberOfItems : 1 PartNumber : MKUSD9426 Pattern : Solid ProductDescription : The ball clamp made with aluminum alloy processed by anodisation is fits for 1 inch ball mount, with which you could connect to ball mounts together, such as that of photography light and arm tray, to acquire a better diving photography experience. Premium material and advanced technology allows a longer use.