The Kraken 3/4" Flex Arm for TR07/08/09 is a flexible mount for smaller underwater lights with a YS mount. The flex arm is an alternative to a classic arm and clamp style system. It allows easy flexibility and lower cost. Ideal for small strobes, small lights, and GoPro rigs. Must be used with a tray that takes a base mount with two screws, such as the Kraken Pistol Grip Tray. Length is 14 in | 35.5 cm }. Hardware included.