The Universal Smartphone Full Cage Kit from CAVMATE can fit devices ranging from 2.3 to 3.2' wide. A rubber pad and thumbscrew on the interior help prevent your smartphone from falling out and shaking, while six cold shoe mounts let you attach accessories, including a microphone or LED light. If you need to connect this cage to a tripod or other compatible device, there are multiple 1/4'-20 and 3/8'-16 threads. Included are two Allen wrenches.