Diameter Ball Mount with 11 X 3 Rectangle Plate, & 3.68 Round Plate

RAM-111BU RAM Mounts Universal Marine Electronics Plate with 1.5-Inch C-Sized Ball - Synergy Mounting Systems

RAM Mount 2.25 in Ball Mount w 3.68 Round Base and 2 in x 5 in

RAM-D-111U-C: RAM Large Marine Electronics Mount

RAM Mount D Size 2.25 Ball Mount w/2 - 3.68 Round Plate & Medium Length Double Socket Arm

Large Marine Electronic Mount (Short Arm) (RAM-D-111U-C)

RAM-111U-D - RAM 1.5 Ball Mount w/ Rectangular Base

Ram Mount D Size 2.25 Ball Mount w/11 X 3 Rectangle Plate, 3.68 Round Plate and Hi-Torq Wrench [RAM-D-111-C-KNOB9H]

RAM Mount 2.25 Ball Mount w/3.68 Round Base & 2 x 5 Rectangular Base f/Humminbird HELIX 9, 10 & 12 [RAM-D-202-25-C-202U]

RAM D Size 2.25 Diameter Ball Mount with 11 X 3 Rectangle Plate, & 3.68 Round Plate - RAM-D-111U-C