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

RAM Mount 3.68 inch dia Plate with 2.25 inch Ball RAM-D-202U

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

RAM Mounts RAM202U 2-1/2 inch Diameter Base with 1.5 Inch Rubber Ball

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

RAM Mounts Ball Adapter with AMPS Plate RAM-B-347U with B Size 1" Ball

RAM-111BU RAM Mounts Universal Marine Electronics Plate w/ 1.5-Inch C-Sized Ball

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