Lift-N-Loc Articulating Keyboard Arm offers an 8" adjustment to its 3/4" wood platform. To adjust height, just lift and move the tray. Features 21" track, tilt range of +15/-15 degrees, 360 degree swivel and unlimited positions within height range. Height and tilt adjustments work in combination to help keep wrists straight while typing. Mousing surface can be used to the left or right of the keyboard. Keyboard manager will work in standard workstations. Low profile design offers more leg room.