When you need a reliable and versatile mounting solution for your photography or videography projects, the Kupo 4.5"" Metal Suction Cup with 3/8""-16 Thread is an exceptional choice. Designed for temporary yet secure attachment, this suction cup is ideal for smooth, nonporous surfaces such as windows, mirrors, automobiles, and boats. It is perfect for mounting small lights, cameras, grip gear, and various accessories, making it an indispensable tool for creative professionals.This robust 4.5-inch suction cup features a 3/8""-16 thread with a 5/8-inch length stud, specifically crafted for compatibility with ballhead camera mounts. It offers a dependable mounting solution for small lights, video cameras, or sound recording equipment, ensuring stability and precision in your shoots. The metal pump is engineered to enhance suction power and durability, while the integrated red-line indicator provides a visual warning of any vacuum loss, crucial for maintaining safety and performance in challenging shooting conditions.Additionally, the suction cup's casting includes six 3/8-inch female threaded holes, offering expanded mounting options to suit various equipment configurations. This feature makes it particularly suitable for car mount shooting, where flexibility and security are paramount. With a maximum payload capacity of 48.5 lbs (22 kg) and a lightweight design at just 0.6 lbs, this suction cup is both powerful and portable.The Kupo 4.5"" Metal Suction Cup also includes a pad protector to safeguard surfaces and can be used in a wide temperature range from 10.4 Degree F to 120 Degree F (-12 Degree C to 49 Degree C), ensuring reliable performance in diverse environments. Whether you're capturing dynamic footage on the move or setting up a stationary shot, this suction cup provides the stability and versatility you need to achieve professional results..