Ram Mount Handlebar Rail Mount with Zinc Coated U-Bolt Base for the Garmin nuvi 600, 610, 650, 660, 670 and 680 Consists of a double socket arm, zinc coated U-bolt base, diamond adapter base and custom high strength cradle for the Garmin nuvi 600 series Designed into the mount is a 1" diameter patented rubber ball and socket system With a twist of the arm knob, you can move the motorcycle Garmin nuvi mount to your optimum viewing position Included in this package is hardware that will accommodate rails from 0.50" to 1.25" in diameter High Strength Composite and Powder Coated Marine Grade Aluminum 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