ITEM NAME:1inch Standard Ball Clamp for the 1inch Ball Underwater Light Arm System G2E2 1inch Standard Ball Clamp for the 1inch Ball Underwater Light Arm System G2E2 Standard clamp used to attach two arm, baase adapters and strobes together. ( Puts 2 ball together ) Works with 1 inch ball arms for CamDive, Meikon, Ikelite, TLC, Ultralight, Nauticam and others he Standard Clamp attaches two 1-inch diameter balls. Thicker plates provide the perfect combination of strength and range of motion. Plates are spring-loaded for easy assembly and breakdown of your arm system. A hard anodized aluminum wing nut allows for easy one-handed operation and will withstand years of use. colour: black Material: Aluminum alloy size: 6.5X6X2.5cm Package Contents: 1*ball clamp.Thicker plates provide the perfect combination of strength and range of motion. Plates are spring-loaded for easy assembly and breakdown of your arm system. A hard anodized aluminum wing nut allows for easy one-handed operation and will withstand years of use.