Because precision and reliability are paramount in professional photography and videography, the Kupo 6" Metal Pump Suction Cup with 5/8" Swivel Baby Receiver is an essential tool for mounting equipment securely. Designed for temporary yet robust mounting solutions, this suction cup excels on smooth, nonporous surfaces such as windows, mirrors, automobiles, and boats. Ideal for securing small lights, cameras, grip gear, and various accessories, it features a 6-inch pump suction cup equipped with a swivel 5/8-inch baby receiver for versatile positioning.The metal pump is engineered to maximize suction power and durability, ensuring your equipment remains stable even in challenging conditions. A built-in red-line indicator provides a visual warning of any vacuum loss, allowing you to address potential issues promptly and maintain the integrity of your setup.