Ergotron LX Wall Mount Keyboard Arm: * Arm extends keyboard tray up to 35"; 13" height adjustment * Ergonomic, back-tilt keyboard tray ensures wrists remain in a neutral position * Avoid repetitive-stress injuries while increasing comfort and productivity * Creates a complete workstation when paired with the LX LCD Arm * Easy to use: simple installation and effortless operation * Mouse tray slides out to left or right, depending on user preference * Ideal for space-constrained spaces * Folds to within 3.5" of wall in storage position * Integrated cable management * Durable, polished-aluminum construction