As one of its daily deals, Amazon offers the 3M Easy Adjust Keyboard Tray in Black, model no. AKT90LE, for $119.99 with free shipping. That's the lowest total price we could find by $37. It adjusts to 2" above or 5.5" below the mounting surface and features an antimicrobial gel wrist rest, mouse pad, and tilt adjustment. Deal ends today.