Ram Mount 1-Inch Diameter Ball Flat Surface Mount with Long Double Socket Arm, 2.5-Inch Round Base and Diamond (Black) Consists of a 2.5" diameter round base that contains the universal AMPs hole pattern LONG double socket arm and diamond base adapter The mount is designed with a 1" diameter patented rubber ball and socket system The included RAMs patented design dampens shock and vibration, helping to extend the life of your device Overall Height: 6.59"