The OEM 3M Adjustable Keyboard Tray MMMAKT150LE features an easy-adjust arm with a height indicator for simple operation and personalized settings. The height can be adjusted from +2 inches to -5.5 inches, while the tilt can be adjusted by +10 degrees to -15 degrees, complete with a tilt indicator. This highly adjustable mouse platform can be mounted on the left or right and easily moves up, down, forward, and back. Made with 25% recycled content, it also includes leatherette gel wrist rests with antimicrobial protection to inhibit the growth of bacteria.