The RAM-102U-B-2461 consists of a SHORT double socket arm and 3.625" square plate with VESA
hole pattern. The VESA plate contains 75x75MM hole patterns. The rubber ball is positioned
0.88" from the center of one edge.
RAM® Pin-Lock™ Security Knob for C Size Socket Arms
RAM® 75x75mm VESA Plate with Ball
RAM® Double Socket Arm