The RAM-202 consists of a 1.5" diameter rubber ball connected to a flat 2.5" diameter base.
This mount has pre-drilled holes, including the universal AMPS hole pattern.
RAM® Double Socket Arm with 75x75mm VESA Plate
RAM® Double Socket Arm
RAM® Double Socket Arm with Round Ball Plate
RAM® Double Socket Swivel Arm
RAM® Composite Double Socket Arm
RAM® Cable Manager with AMPS Hole Pattern for Electronic Mounts
RAM® Backing Plate Adapter
RAM® Mari-Nut™ Rubber Expansion Mounting Hardware
RAM® Mari-Rivet™ Aluminum Pop Rivets
RAM® Triple Magnetic Base Adapter