The Twist-Lock Suction Cup Holder Set for Car, Boat and Airplane offers a reliable and versatile solution for the secure attachment of your electronic devices in various environments. Whether in the car, on the boat or in the airplane, this holder set guarantees a stable and firm positioning of your devices, even during bumpy rides or turbulent conditions. The robust construction made of marine-grade aluminum ensures durability and resistance against demanding use areas. With a load capacity of up to 1.81 kilograms, the holder set is ideal for smartphones, GPS devices and other compact electronics. The flexible 4-hole pattern allows for easy and individual adjustment of the mounting position, while the Twist-Lock mechanism ensures quick and secure installation. The compact socket arm provides a space-saving design that remains inconspicuous in tight spaces. Whether on long trips, sailing or during flight, this holder set is the perfect companion. The System size C with a diameter of 38.1 millimeters fits on smooth surfaces like windshields and allows for uncomplicated handling thanks to the easy suction cup mounting. For users who value quality and functionality, the Twist-Lock Suction Cup Holder Set for Car, Boat and Airplane is an indispensable accessory that combines safety and flexibility in a robust design.