Durable polished aluminum construction! The LX Keyboard Arm mounts keyboards to any wall while providing vertical and side-to-side motion. Effortlessly position a keyboard to the most comfortable typing position seated or standing.Position your keyboard for maximum comfort and productivity.Arm extends keyboard tray up to 35'' (89 cm); 13'' (33 cm) height adjustment.Ergonomic back-tilt keyboard tray ensures wrists remain in a neutral position during data entry—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'' (9 cm) of wall in storage position.Integrated cable management.Passes Ergotron's 10 000-cycle motion test which ensures a minimum of five years trouble-free height adjustment.Finish: Polished Aluminum.