Kupo's u-grip series is a professional quality mounting system especially designed to give your car mount extra stability as well as eliminate camera and lighting vibration. The variety of u-grip gears made of cnc aluminum alloy withblack anodized finish makes it extremely easy to precisely position your camera or light at any angle you need. An ideal solution for a variety of mounting applications. This u-grip system is a combination of two multi 5/8" (16mm) receiver connectors and a stainless 5/8"’’ spigot which allows a 360 degree swivel. The 5/8" spigot has a 3/8”-16 female threads on each end which allows mounting of any equipment that comes with3/8’’-16 male thread.