RAM Mount Aluminum 75mm VESA Monitor Plate Holes and 1.5 inch Ball RAM-2461U

RAM Mount Aluminum Universal 6.25 x 2 inch Plate on 1.5 inch Ball RAM-111BU

RAM Mount Aluminum Rectangular AMPS Adapter Plate with 1.5 inch Ball RAM-347U

RAM Mount Aluminum Universal 6.25 x 2 inch Plate on 1.5 inch Ball RAM-111BU

RAM Mounts 2.5" Aluminum Base with 1.5" Rubber Ball. RAM-202U

RAM Mount Aluminum 2.5" Diameter Round Base with 1.5" C-Ball RAM-202U

Arkon XMS 20mm Ball w/ 4-Hole AMPS Aluminum Adapter Plate for 20mm socket mount

RAM-201U Ball Socket Double Arm Assembly Medium 1.5" Balls Ram Mounts