Easily mount a GoPro camera to your underwater lighting. The GoPro adapter adds a standard 1/4-20 tripod mount to your GoPro camera, allow for quick and easy mounting to underwater lighting and other accessories. For even more versatility, the included 1/4-20 stud allows easy attachment to camera bases, as well as to the base of accessories like the Aqua Pod and Flex-Connect Handle. Attaches using the thumb knob and bolt from your original camera mount. An acorn nut is included.