RAM 75mm X 75mm VESA Plate with 1.5" Ball (RAM-2461U) Type_RAM A Size 5" diameter round base with

5" diameter round base with the universal AMPS hole pattern and one 2" x 4" rectangular base

The threads on this ball replace the bolt in any B-size socket arm

5" diameter

The patented rubber ball design creates friction

RAM 75mm X 75mm VESA Plate with 1.5" Ball (RAM-2461U) Type_RAM A Size 5" diameter round base withThis RAM 2461U consists of a 1. 5" rubber ball, connected to a 3. 625" square plate with a 75mm X 75mm VESA hole pattern. The rubber ball is positioned 0. 88" from the center of one edge. The RAM 2461U will attach to all RAM 1. 5" dia. ball double socket arms. Specs & Features Material: Powder Coated Marine Grade Aluminum Ball Size: 1. 5" Rubber Ball Size Weight: 0. 4 lbs. Note: The "U" in the part number reflects product packaged in poly bag.