The metal extension bracket of strong adaptability can mount two devices at the same time and it is a good partner for your photographic equipment. Features: The dual camera mount is specially designed for supporting 2 piece of photographic equipment. High strength metal material ensures the large capacity of loading 2 devices at the same time. Processed by anodization technique, the finish of the mount features wear-resistance and corrosion-resistance. The screw adapter allows you to install the extension bracket to tripod with 3/8 inch or 1/4 inch screw. The mount can be used in a wide range of applications, especially in stereo photography. Specifications: Material: Metal Color: Black Screw Hole Size: 1/4 inch & 3/8 inch (including an adapter) Screw Size: 1/4 inch Package Size: 20.5 * 3 * 3cm / 8 * 1.2 * 1.2in Package Weight: 81g / 2.9oz Package List: 1 * Dual Camera Mount 1 * Screw Adapter 2 * 1/4 inch Screw