Description: The diving clamp mount for 1" ball compatible with arm brands like ULCS, Ikelite, INON, SEA&SEA. Durable air-grade aluminum; Surface treatment: Premium hard-anodized anti-abrasive finish. Maximum range 3 hole ball clamp, allows greatest flexibility with arm positioning. Size: 53mm*53mm*64mm(L*W*H) Color: Black Package Including: 2 x 3 hole ball clamp mount Specification: Material: alloy Package Includes: 2Pieces 3 hole ball clamp mount