The VR Suction Cup is perfect for use on any flat non-porous surface. It comes complete with a 5/8\" adapter spigot made of durable, lightweight brass that won\'t rust or deteriorate over time. The spigot’s dual-sided design provides the versatility of choosing between a ¼” or a 3/8” attachment according to the accessory used in combination with the suction cup. The suction cup features a ball-joint socket which rotates within a half hemisphere. It is great for use with 360° cameras on flat surfaces, with or without extension booms.