This Nocturnal Lights 12" (30.48cm) Flex Arm has a YS light mount sometimes called a U mount. This setup works with many different brands of video lights and strobes, including Sea & Sea, and Fantasea as well as Nocturnal Lights. Use the Nocturnal Lights flex arm adapter to connect Nocturnal Lights directly to the flex arm.
The bottom of the arm has a T-Base that fits over any Nocturnal Lights T-Base adapter and Universal Trays. The arm also connects directly to housings with standard T-Base slide over adapters such as Sony, Sea & Sea, Amphibico, Subal, and many others.