Items marked by the "Wall Mount Arm" tag:

Ergotron, 45-246-026, http://www.ergotron.com/, ERGOTRON Displays Monitor/TV Accessories, Keyboard Arm, Ergotron LX Wall Keyboard Mount Arm 45-246-026, Mounting Arm, Ergotron, Inc, 698833012040, EA, New, 4.86, 4.4, 19.2, 28.4, 51.6, 5-Year, Manufacturer Warranty

Ergotron, 45-228-026, http://www.ergotron.com/, ERGOTRON Displays Monitor/TV Accessories, MX, Ergotron MX Wall Monitor Mount Arm 45-228-026, Mounting Arm, Ergotron, Inc, 698833010466, EA, New, 4.38, 4.65, 16, 26, 75.2, 10-Year, Manufacturer Warranty