USA-based Ultralight Control Systems has been in the underwater photography industry since 1993. They are in the business of making light weight aluminum arms for attaching your underwater camera to your underwater strobes. They can also attach lights to your video. Ultralight makes one of the lightest weight arm systems on the market. All products are made with 6061 aluminum that is machined and then hard anodized, to withstand the harshest treatment. In addition to arms, they offer a full line of trays, pivots, adapters for all strobes, and video applications, along with numerous accessories.