RAM-271U-2 RAM Rail Clamp Ball Base for 2" - 2.5" Rails ...

RAM-271U-12 RAM Rail Clamp Ball Base for 1.25"- 1.875" Rails

RAM Rail Clamp Base with 2.25" Rubber Ball - For Rails 2" - 2.5" in Diameter

RAM Mount Clamp Base for 1.25" - 1.875" Rails with 1.5 inch C-Ball RAM-271U-12

Lot Of 2 - RAM Mount 1.5" C-size Ball Mount w/ 2.5" Round Base Plate - RAM-202U

RAM Mount Square 3" Rail Clamp Base with 1.5 inch Ball RAM-247U-3

RAM RAP-401U Large Tough-Claw Clamp Mount with 1.5" Ball for Rail, Post, Tube

RAM Mount Square 2.5" Rail Clamp Base with 1.5 inch Ball RAM-247U-25