Item Type: Photography Reflector Bracket Material: Plastic Clampable Tube Diameter 16mm/0.63in, 19mm/0.75in, 22mm/0.87in, 25mm/0.98in Package List 1 x Photography Reflector Bracket Please allow 0.51mm/0.020.04 error due to manual measurement. 1Easy to Use: Clamp clip holder is easy to set up, use and adjust the angle of the device and is perfect for portraits, studio, photography and video. 2Unique Design: Photography reflector clamp holder has a large handle for a good grip and no slippage; the reflector bracket has a gear in the middle for increased friction. 3Applicable: Photography reflector holder can hold tube diameters of 16mm/0.63in, 19mm/0.75in, 22mm/0.87in, 25mm/0.98in and is used to lock different sizes of booms and brackets. 4Wide Usage: Photography reflector clamp holder is compatible with all photographic light stands and can hold overhead lights, cameras, crossbars, canopy screens, etc. 5Sturdy and Durable: Light stand mount bracket is made of sturdy plastic to ensure maximum strength and durability for long term use.