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

RAM Mount Round Plate 1.5" Ball Medium Arm and 75mm VESA Plate RAM-101U-2461

RAM 1.5" Ball Mount with Round Base, Socket Arm & Square 75mm X 75mm VESA Plate

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

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

RAM-103U-B-2461 RAM Double Socket Arm 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...