Ram Mount Twist Lock Suction Cup Mount for the Garmin GPSMAP 78, 78s and 78sc Consists of a 3.25" suction cup locking base, socket system and custom high strength composite cradle for the Garmin GPSMAP 78 series 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 GPSMAP 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 high strength composite 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