Ram Mount Composite Flat Surface Mount for the Apple iPhone 4 & iPhone 4S Without Case, Skin or Sleeve - Mount - Non-Retail Packaging - Black Consists of a 2.5" diameter round base with the universal AMPS hole pattern, double socket arm, diamond adapter base and high strength composite cradle The mount is designed with a RAM 1" diameter patented rubber ball and socket system Apple iPhone 4 & iPhone 4S without case, skin or sleeve Almost infinite adjustment and perfect viewing angles High Strength Composite 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