Using this mounting ring it is possible to attach the Fomex softbox to the studio lamp with the appropriate mounting. It is a necessary accessory to use Fomex softboxes, as they do not have a mounting kit. It is made of high quality material. It is durable and easy to install. The design of the adapter with 8 mounting holes allows for rectangular and octagonal softboxes. The adapter can also be used with Quantuum and Quadralite softboxes.