This camera bracket is designed for Max Arm. Constructed by aluminum die casting which makes it very lightweight and durable. In addition to a standard 1/4”-20 inch thread mount for a small camera, it also comes with a 1/4'' to 3/8'' adaptor to meet different size of thread mount. Meanwhile, there are four 3/8'' female sockets availble on the bracket that can be connected two max arms from each side gives the most stable. The 7mm female socket is also built for the need of the umbrella reflector.