This RAM-2461U-EXT1 consists of a 1.5" rubber ball, connected to a 3.625" square plate with a 75mm X 75mm VESA hole pattern. Included on the plate is a 3/8"-16 tapped hole. The rubber ball is positioned 0.88" from the center of one edge.
The cradles for these electronic devices are sold strictly through the manufacturer. Click on the links above to view their cradles.