RAM 75mm X 75mm VESA 3.625" Plate with 1.5" Ball.
This 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.