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

RAM-101U-B RAM Mounts Universal Double Ball Mount with Two Round Plates - C Size

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

RAM® Mount 2.5" Pre-Drilled Round Plate C-Size 1.5" Ball & Steel Reinforced Bolt

RAM Mounts Universal Mount with Round Plate C-Size & VESA Plate 8.25X5.25

RAM Mount Round Plate with 1.5" C-Ball and 3/8"-16 Threaded Stud RAM-202CU

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

RAP-B-202U RAM Composite Round Plate with Ball - B Size...