Ram Mount Handlebar Rail Mount with Zinc Coated U-Bolt Base for iPhone 3G/3Gs - Non-Retail Packaging - Black Consists of a zinc coated U-bolt base, double socket arm, diamond adapter base and custom high strength composite cradle for the Apple iPhone With a twist of the arm knob, you can move the Apple iPhone mount to your optimum viewing position This mount will NOT hold the 1st Generation Apple iPhone or Apple iPhone 4 High Strength Composite & Powder Coated Marine Grade Aluminum This mount is designed to hold the following devices: Apple iPhone 3G/3G S 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