Let the Kupo 6" Metal Pump Suction Cup with Swivel Coupler for 2" Pipe be your go-to solution for secure and reliable light mounting on smooth, nonporous surfaces. Expertly designed for vehicle rigging, this robust suction cup is engineered to withstand demanding conditions, ensuring your equipment remains firmly in place. The integrated swivel coupler accommodates a 2" pipe, and its T-handle allows for easy and convenient tightening, providing a secure grip every time.This high-performance suction cup can support up to 44 lbs (20 kg), making it ideal for a variety of professional applications. Its metal pump is specifically crafted to enhance both suction power and durability, ensuring long-lasting performance. Additionally, the red-line indicator serves as a crucial safety feature, alerting you to any vacuum loss that may occur during challenging shooting conditions.