RAM Magnetic Round Base with 1" Rubber Ball - RAM-B-202-339U

RAM Triple Magnetic Round Base with 1.5" Rubber Ball - RAM-202-339U

RAM Triple Magnetic Base RAP-339U, Works With RAM Round Bases

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

RAM-B-202-339U RAM 2.5-Inch MAGNETIC Round Base w/ AMPs Hole Pattern 1-Inch Ball

3pc RAM® 1.5" C-Size Ball Mount AMPS Round Button w/ 2.5" Base Single Socket Arm

RAM Mount Triple Magnetic Base Adapter for Round Plate Ball Mounts RAP-339U

Ram Mount RAM-202U-152 1.5" diameter rubber ball connected to a 1.5" X 2" Base