Are you in need of a reliable and versatile mounting solution for your photography or videography projects? The Kupo 6"" Metal Pump Suction Cup with a 3/8""-16 Thread is engineered to provide a secure and temporary attachment on smooth, nonporous surfaces. This robust suction cup is perfect for mounting small lights, cameras, grip gear, and various accessories onto surfaces such as windows, mirrors, automobiles, and boats.The 6-inch suction cup features a durable metal pump that enhances suction power, ensuring a strong hold even in challenging conditions. The innovative red-line indicator serves as a safety feature, alerting users to any vacuum loss, thus maintaining the integrity of your setup. Designed with an aluminum block, this suction cup is tapped with a 3/8""-16 thread on three sides, offering a flexible and low-profile mounting option. This makes it particularly suitable for attaching a camera ballhead, providing stability and ease of use.With a maximum payload capacity of 70 lbs (32 kg), this suction cup is both lightweight and strong, weighing only 1 lb (0.45 kg). It includes a pad protector to safeguard the suction cup when not in use. Additionally, it is designed to perform in a wide range of temperatures, from 10.4 Degree F to 120 Degree F (-12 Degree C to 49 Degree C), making it a reliable choice for various environments. Choose the Kupo 6"" Metal Pump Suction Cup for a dependable and adaptable mounting solution that meets the demands of your creative projects..