Specification: Name: Desktop C-Clamp Mounting Bracket Material: Aluminum Alloy Stretching: 19.7in/50cm-31.5in/80cm Interface: Standard 1/4 screw Packing size: 50x8x4cm Weight: About 400g Features: 11. Desktop mounting bracket: You can use a practical C-clamp up to 2.0 inch to install the bracket on the table, saving a lot of usable space. 2 2. Adjustable desktop Stand: The height of the stand can be extended from 19.7 inch (50 cm) to 31.5 inch (80 cm) the ball head has a locking knob that can be rotated 360 degrees, and you can adjust it at any angle. 3 3. Durable material manufacturing: Our clip-on camera bracket is made of strong and lightweight aluminum alloy, with maximum stability and compact portability 4 4. Applicable and universal: The desktop fixing frame with standard 1/4 screws can be installed on most cameras and lighting equipment, such as ring lights, DSLR cameras, video lights. 5 5. What you got: 1 adjustable telescopic desktop stand, 1 360anddeg rotating ball head, 1 paper box. PackageList: 1 x Desktop Stand 1 x 360anddeg Rotating Ball Head 1 x Carton