Ram mounts double ball mount w/ two round plates

The RAM-101U consists of a 6 inch C size 1.5" double socket arm and two 2.5" diameter round ball bases that contain the universal AMPS hole pattern. The ball and socket system provides shock and vibration damping, and allows for near-infinite adjustability to achieve an ideal viewing and operating angle of your device. PRODUCT DIMENSIONS: Overall Height: 7.35". SOCKET TO SOCKET LENGTH: 4.66". HOLE PATTERN: 4-Hole AMPS: 1.181" x 1.496", 3-Hole 120-Degree: 1.812" Diameter. PLATE SIZE: 2.5" Diameter. BALL SIZE: C Size (1.5"). WEIGHT CAPACITY: Standard Use: 4 lbs, Heavy-Duty Use: 3 lbs.