Ram Mount Twist Lock Suction Cup Mount for the TomTom GO 520, 520T, 630, 720, 720T, 730, 920 and 920T Consists of a 3.25" suction cup locking base, socket system and custom high strength composite cradle for the TomTom GO Designed with a RAM 1" diameter patented rubber ball and socket system Allows for almost infinite adjustment and perfect viewing angles Simply attach the suction cup base to the windshield of your vehicle for an easy and safe way to view your handheld device High quality materials ensure your electronic device is safe, secure, and within easy reach Patented universal rubber ball and socket system allows you to mount virtually anything anywhere. Made of marine grade aluminum with a powder coated finish and rubber balls Superior shock and vibration isolation for electronics Unique design provides easy installation, mobility, strength, adjustability and versatility Construction provides a light weight and corrosion resistant product