Camera mount conversion adapters allow you to mount any camera to any mounting ecosystem accessory. Standard -20 UNC threaded screws to the bottom of most cameras. The locking ring ensures a tight fit to the bottom of the camera to secure the installation in the position without causing the camera to loosen. Applicable to all Hero3, Hero4, Hero5, Hero6, Hero7 installation ecosystems. Made of 100% CNC aluminum, black anodized. connect any camera to your mounting system with -20 camera mount conversion adapter. Made from 100% CNC aluminum alloy and glossy black anodized, this adapter is durable. Specifications: Colour: black Material: aluminum alloy Size: about 3 * 2.5 * 2.5cm Package Contents: 1 * 14-20 camera mount adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.