The RAM-D-162V-1-246U is a rugged wall mount system with swing arm and ratchet arm. The end of the ratchet arm has a ball & socket joint connecting to the end VESA plate. For devices Up to 6 lbs, the adapter plate contains the 100x100 VESA hole pattern, as well as the 75x75 VESA hole pattern. Multiple adjustment knobs throughout the system allow you to articulate your device to the perfect viewing angle relative to your mounting surface.