The RAM-D-101U-246 consists of a 3.68-inch diameter round base, standard length double socket arm, and a 4.75-inch square plate with the VESA hole pattern. The 4.75-inch square plate features 4x100mm holes and 4x75mm holes in each corner. The 3.68-inch diameter round base has pre-drilled holes, including two holes at 180 degrees and three holes at 120 degrees. Designed into the mount is a 2.25-inch diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.