RAP-202U RAM Mounts Composite Round Plate with C-Size 1.5-Inch Ball

RAP-B-202U RAM Mounts Composite Round 2.5-Inch Plate with 1-Inch B-Size Ball

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

RAM-347U RAM Mounts 1.5 Inch C-Size Ball Adapter with AMPS Plate AUTHORIZED DLR

AMPS round Plate Ball Mount Base – B Size 1" (RAM-B-202U)

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

Ram Mount Diamond Plate - two sided converts small size C to B size ball

RAM Mounts Double Ball Mount With One Round Plate - C Size Medium