Stable Vehicle Recording: This versatile and adaptable iFootage Vehicle Suction Cup provides an easy to set up, reliable, safe and efficient professional solution for all your on vehicle recording. Offering a host of creative and visually engaging recording positions and set ups around your vehicle. Super Secure Suction Cup: This super vehicle suction cup comes in two sizes: Small (max payload 20kg) and Large (max payload 30kg). The simple to use pump button creates a vacuum which safely secures the cup to a flat surface-like a limpet to a rock! Double Screw Options: Each vehicle suction cup provides both 1/4" & 3/8" thread options via a screw securely located within the unit. Accommodates all your needs with the convenience of 1/4" & 3/8" thread options. More Possibilities: The camera car mount suction cup is completely flexible. It can be utilized inside a vehicle as well as outside or on a window in a building or other flat glass, metal or plastic surfaces. Easy Set Up Steps: Simply press the air removal pump a few times to remove the air from within the cup creating the vacuum which secures it in place. You can complete the installation without applying other tools. IFOOTAGE Spider Crab Vehicle Suction Cup, 44 lbs Playload Camera Car Suction Cup, 1/4" & 3/8" Screws Car Camera Mounting Kit Compatible for DSLR Cameras and Camcorders, 4.6 inch , VS-118