This under-desk keyboard tray adds comfort to your work day, by easing the strain on your wrists and arms. It also frees up valuable desk space. Spacious and Stable Design The spacious design of the keyboard tray, 26. 4" (670 mm) width x 10" (255 mm) depth, gives you ample room for your full-size keyboard and mouse. Its quality construction, with a weight capacity of 4. 4 lb. (2 kg), provides a stable platform that helps prevent the tray from shaking while you re typing. Wide Range of Movement to Maximize Comfort The ergonomic design of this adjustable keyboard tray, including a built-in wrist rest (670mm x 28mm x 12mm) provides a wide range of movement to help reduce discomfort and increase productivity. It lets you adjust your position for comfortable arm and shoulder postures while typing, helping you be more productive throughout your work day. Easily adjust your spring-assisted keyboard tray down or up with the height adjustment paddle, with a total range of up to 13. 4" (340 mm) that can be locked in at any position. You can slide the keyboard tray in or out from your desk to find your ideal position. Conveniently adjust the lever at the side to tilt the keyboard tray +15? / -13? for added comfort. You can even adjust your keyboard tray to the left or right, with +180? / -180? swivel. The under-table computer keyboard tray clears space on your desktop. The track-mounted design lets you slide it under your desk when not in use or extend it up to 18. 5" (470 mm) from the edge of the desk.