RAM-D-235U; Double U-Bolt Ball Base for 1"-1.25" Rails with D Size 2.25" ball

RAM Mount Double Stainless Steel Rail U-Bolt Base with 2.25 inch Ball RAM-D-235U

RAM Dual U-Bolt Base with 2.25" Ball - Fits 1" - 1.25" Diameter Rails / Posts

RAM Double 2.25" D-Ball U-Bolt Ball Base for 1.25" - 1.5" Rails RAM-D-235-1U

RAM Mount 75x100mm VESA Monitor Plate with 2.25 inch D-Sized Ball RAM-D-246U

RAM-D-202U RAM Mounts Large 3.68-Inch Dia Round Plate with D-Size 2.25-Inch Ball

RAM-B-235U RAM Mounts 1 Inch Ball with Double U-Bolt Base for 1 - 1.25 Inch Rail

RAM-D-201U RAM 2.25" D Size Double Socket Arm Universal Double Ball Mount