Shelf bracket - brand name - Crab Claw Camera Holder Highlights brand name Crab Clamp Camera Holder Description: The Super Clamp is a versatile tool that can hold just about anything: cameras, lights, hooks, shelves, glass plates, crossbars, used in the setup of photographic equipment and other normal working or living environments. 1/4in & 3/8inch screw thread: The crab claw can be installed on camera, flash, LED lights through some screw adapters, also can be used with weird hands, magic arm and ect. Well-designed adjustment knob: Locking and opening of the mouth are controlled by the CNC red knob, simple operation and energy saving. This super clamp is easy to install and quick to remove. Non-slip rubbers: The mesh part is covered with a non-slip rubber pad, it can increase friction and reduce scratches, make the installation closer, stable and safe. Solid Construction: Made of CNC aluminum alloy and stainless steel screws, lightweight and durable. specification: Material: aluminum alloy Size: 60mm/2.36inch Package includes: 1 piece clamp with red button Note: Please allow slight dimension difference due to different manual measurement. Due to the light and screen difference, the item's color may be slightly different from the pictures. Try to understand.