The Bigblue Accessories Series employs the latest designs that cater to different photographic and video systems. By utilizing the best possible materials on the market, such as T6061 grade aluminum, stainless steel, fiberglass reinforced resin, etc. our series meets the demand for high quality with affordability. Aluminum parts and fiberglass reinforced resin parts brings together lightweight, strong structures, and highly abrasion-resistant accessories with affordability. Bigblue's range of accessories continues to expand to cater to the needs of still, digital, video and specialty system. This YS Sea & Sea Adapter is for use with the Bigblue FF Series Light. The adapter allows you to mount any Bigblue FF Series dive light to any Sea & Sea head adapter. Adapter has an overall length of 1.25" (3.18cm) and is equipped with a large butterfly screw for easy attachment, even when wearing thick gloves. Adapter is made from T6061 grade aluminum.