Description: The standard camp attaches two 1-inch diameter balls.Plates are spring-loaded for easy assembly and breakdown of your arm system. Type III hard coat anodizing aluminium. Standard clamp used to attach two arm, baase adapters and strobes together. ( Puts 2 ball together ) Works with 1" ball arms for CamDive, Meikon, Ikelite, TLC, Ultralight, Nauticam and others. Maximum range triple ball clamp, allows greatest flexibility with arm positioning. Specification: Material: Alloy Size: 2.6 x 1 x 2.2 inches Item Weight 40g Quantity:6 Pieces Package Includes: 6 Pieces 1" Ball Clamp