Feature:1. Strong Expansibility: The photography super clamp has strong expansibility, leaving 6 1/4 threaded holes and two cold shoe interfaces.2. Aluminum Alloy: The camera crab clamp holder is made of aluminum alloy for durability, and the internal anti skid rubber pad provides strength and stability.3. Easy to Use: The jaws of the photography crab clamp are opened at a maximum of 5cm and a minimum opening of 1cm. The operation is simple and convenient.4. Practical Accessories: Camera crab clamp can be quickly fixed on the surface of cylindrical and square objects, such as photographic light stands, tripods, rails, stage stands, desktops, outdoor railings, etc.5. Multipurpose: Camera clamp mount can be extended to connect accessories such as magic arm hand, and can also be used as a fixed bracket for outdoor street shooting.Specification:Item Type: Photography Super ClampMaterial: Aluminum AlloySize: The Maximum Opening: Approx. 5cm/2.0inThe Minimum Opening: Approx. 1cm/0.4inScrew Interface: 1/4 Thread, Cold Shoe Interface.Package List:1 xPhotography Super ClampNote:Please allow some errors due to manual measurement.