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 with black 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 with 3/8-16 male thread.