Specification Brand : BUZHI BulletPoint1 : MATERIAL: Mainly aluminum alloy construction, features solid construction, abrasion resistance and rust conservation. BulletPoint2 : PROCESSING: Modern anodisation surface treatment tech, enhancing and antistatic performance. BulletPoint3 : SPRING: Premium spring inside making the ball mount be held tight, but also has a certain flexibility underwater. BulletPoint4 : INSTALLATION: Adopting tool-less design for easy installation, lightweight to carry and fast to start up with. BulletPoint5 : APPLICATION: Kindly designed for underwater photography as a clamp connector, making 1-inch standard ball heads linked. Color : Black ConnectivityTechnology : USB HardwareInterface : usb ItemName : BUZHI Butterfly Clamp 1 Inch Ball Clamp Aluminum Alloy for Underwater Light Arm Tray Scuba Diving Photography Camera Mounting ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 14 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : underwater-lighting-parts-and-accessories Manufacturer : BUZHI Material : default NumberOfItems : 1 PartNumber : MSUS-D9426-HKX 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.