RAM-D-254U RAM Mounts Round AMPS Plate with D-Size 2.25-Inch Ball

RAM Mount Round 2.5 inch dia Round Plate with 2.25 inch D-Ball RAM-D-254U

RAM-D-202U RAM Mounts Large 3.68-Inch Dia Round Plate with D-Size 2.25-Inch Ball

RAM Mount 75x100mm VESA Monitor Plate with 2.25 inch D-Sized Ball RAM-D-246U

RAM Mount 2 x 3 inch Drilldown Plate with 2.25 inch D-Ball RAM-D-202U-23

RAM-D-254U RAM Round AMPS Plate with Ball...

RAM-202U Ram Mounts 2.5-Inch Round Base with AMPs Hole Pattern & 1.5 Inch Ball

RAM-D-202U RAM Mounts Large 3.68-Inch Dia Round Plate with D-Size 2.25-Inch Ball