Amazon.com: RAM MOUNTS (RAM-B-103-236U-A Short Double Socket Arm and (2 Qty) 1" Ball Bases with 3/8"-16 Threaded Post : Electronics
Amazon.com: RAM MOUNTS (RAM-B-101-236U 1" Diameter Ball Motorcycle Mount with 2.5" Round Base (Amps Hole Pattern) and 3/8"-16 Threaded Post Base : Automotive
B" Products
RAM® Ball Adapter with 3/8"-16 Threaded Post - C Size – RAM Mounts
RAM-B-236U RAM Mount 3/8-16" Thread Post with 1" Rubber Ball
RAM® Ball Adapter with 3/8"-16 Threaded Post & Lock Washer - B Size – RAM Mounts
RAM-B-101-236U RAM Mount Flat Surface Mount & .38"-16 Male Thread Post with 1 Inch Ball