Because Kupo's 6" Metal Pump Suction Cup with a 13.5" Support Arm is engineered for versatility and reliability, it serves as an ideal temporary mounting solution for various professional applications. Designed to adhere securely to smooth, nonporous surfaces, this suction cup is perfect for mounting small lights, cameras, grip gear, and accessories to surfaces like windows, mirrors, automobiles, and boats. The 6-inch pumping suction cup is equipped with a fixed 2-inch (51mm) aluminum tube and a 13.5-inch (34.5cm) support arm, providing robust support and flexibility for mounting options, including couplers.The suction cup features an aluminum block with 3/8-inch-16 threaded holes on three sides, offering additional low-profile mounting possibilities. Its metal pump is specifically crafted to enhance suction power and durability, ensuring a secure hold even in challenging shooting conditions.