JJC MSA-11 Adapter Converter is made of fine finish aluminum. It slides to most cameras with a standard hot shoe mount. The top of the adapter terminates in a 1/4-20 threaded spud to be inserted to anything else that has a 1/4"-20 receptacle. In this way, the adapter converts the camera hot shoe mount to a 1/4"-20 male post. What’s more, the bottom of the adapter has a 1/4"-20 threaded hole to accept anything else that has a 1/4"-20 receptacle. In this way, it converts a female threaded socket to 1/4"-20 male post. So the adapter is designed to converts camera Hot Shoe or 1/4" -20 female threaded socket to 1/4"-20 Male Post. The two lock nuts made to secure the things you attached to the two terminals of this adapter.