RAM-101U-D-2461 RAM Mounts C-Size Double Ball Mount with 75x75mm VESA Plate

RAM Mount 1.5" C-Ball Square 75mm VESA Long Arm Drilldown Mount RAM-101U-D-2461

RAM-101U-2461 RAM Double Ball Mount with 75x75mm VESA Plate...

RAM 1.5" Ball Long Arm Mount w/ Vesa 75 mm X 75 mm VESA Plate & 2.5" Round Base

RAM-347U-B-2461 RAM Double Ball Mount with 75x75mm VESA Plate...

RAM-101-RAY1U RAM Double Ball Mount with 75x75mm VESA Plate...

RAM-334U RAM Double U-Bolt Mount with 75x75mm VESA Pla...