3M-PLATFORM,ADJ,LOCKING,BK. Easy Adjust Keyboard Tray, 19-1/2w x 10-5/8d, Black. Easy Adjust arm with height and tilt indicators helps you achieve the perfect settings for comfort and good ergonomics. Just tilt platform to adjust height, then release to lock in place. Dial-A-Tilt knob to select desired angle. Mouse platform adjusts independently and can be mounted right or left; Precise™ optical mousing surface. Patented leatherette gel wrist rests for keyboard and mouse feature antimicrobial protection. Cord management. Color(s): Black; Keyboard Tray Dimensions (W x D): 19 1/2" x 10 5/8"; Mouse Tray Dimensions (W x D): 7" x 9 1/2"; Height (+/- Desktop): +3"/-5".