OVERVIEW The RAM-B-347U base consists of a B size 1″ diameter rubber ball connected to a 2″ x 1.7″ square base. The base has four pre-drilled holes at each corner, using the universal AMPS hole pattern. HOLE PATTERN 4-Hole AMPS: 1.181″ x 1.496″ THREAD PITCH 1/4″-20 PLATE SIZE 2″ X 1.7″ BALL/SOCKET SIZE B Size (1″) WEIGHT CAPACITY Standard Use: 2 lbsHeavy-Duty Use: 1 lb MATERIALS Marine-grade aluminum PACKAGING TYPE Poly Bag WEIGHT 0.15 lbs.
