Adding artificial light to underwater photography and videos is the key to better images. Having the best platform to help provide that lighting is as important as the artificial light it's self. This Sea & Sea Swivel Joint is used along with the Sea & Sea Grip Stay S in order to have maximum flexibility when pointing your flash. The Swivel Joint can swivel in 2 different directions, allowing you to position your Strobe where you need it. The Swivel Joint for Grip Stay S is made from durable and impact resistant plastic, stainless steel and brass. Covered by a 12 month limited warranty.