RAM Mounts Universal Double Ball Mount. RAM-B-101U with Medium Arm

RAM Mounts RAM-B-101U-225B Double Ball Mount 1 Inch - Black

RAM Mount Double 1" B-Ball Drilldown Mount With Backing Plate RAM-B-101U-225B

RAM Mount Plastic Double 1 inch B-Ball Swivel Adapter RAP-B-230-1U

RAM Mount Plastic Garmin VIRB Camera Adapter on 1 inch Ball

RAM-B-101U-A RAM Mounts Double 1-Inch Ball Mount with Two 2.25-Inch Round Plates

Ram Mounts RAM-B-201U RAM Double Socket Arm - B Size For 1 inch Ball

RAM Mounts RAM-B-201U 3 inch Aluminum Double Socket Arm for 1" Ball