Description: The Clamp is a versatile tool that holds just about anything: cameras, lights, hooks, shelves, plate glass, cross bars, used in photography equipment setup and other work or normal life environment. 1/4inch & 3/8inch Screw Thread: The Clamp can be installed on the camera, flash, LED lights through some screw adapters, also can be used with the strange hands, arm and ect. With 6 rubber pads on the inner wall of clamp, corresponding to the 0-55mm round tube with a thickness of 15-55mm, anti-scratch and stable. Non-slip Rubbers: Meshing part is covered with non-slip rubber pad, it can increase the friction and reduce scratches, make the installation closer, stable and safe. Solid Construction: Made of CNC aluminum alloy and stainless steel screw, light-weight and durable. Size Chart: Size: approx. 100x46x25.5mm / 3.94x1.81x1.00 inch Package Includes: 1 Piece Clamp