RAM-B-139U RAM Drill-Down Double Ball Mount with Rectan

The RAM-B-139U consists of a 2.5" diameter round base with the universal AMPS hole pattern, double socket arm and 2" x 1.7" square base with the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm; this with RAM's rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles. PRODUCT DIMENSIONS Overall Height: 5" SOCKET-TO-SOCKET LENGTH 3" HOLE PATTERN Round Plate: 4-Hole AMPS: 1.181" x 1.496" & 3-Hole 120-Degree: 1.812" Diameter Rectangular Plate: 4-Hole AMPS: 1.181" x 1.496" PLATE SIZE 2.5" Diameter BALL/SOCKET SIZE B Size (1") WEIGHT CAPACITY 2 lbs MATERIALS Marine-grade aluminum PACKAGING TYPE Poly Bag WEIGHT 0.55 lbs.