Corner TV Wall MountIt's a corner TV wall mount. Convex and concave corner both do. Retractable 2.5'' is low profile and utral slim, saving space. Extend up to 25 and Swivel 180 degree, which utilize the dead corner space by installing your flat/curve television on the wall. 25.6" Long Arm TV Wall Mount25.6 inch extension Long Arm TV Mount perfectly solves your visibility issues with a 2.5 inch retractable articulating arm. Long reach TV wall mount provides you a wider field of view. Full Motion TV Wall Mount Heavy Duty25.6"extends, 2.5 inch retracts, +5°/-10°tilts, ±90°swivels, ±3°levels. It can bear 77lbs, and has passed the test of 77*3=231 lbs (3 times) at the factory, and consist of heavy duty construction. Versatile and sturdy. 90 Degree TV Wall MountIts wall plate, TV plate, and joint can all ±90 degree swivel, which means it can provide you a 180 degree range of swivel motion watching TV experience. Make full use of corners and other nooks a