Standard Single Knob Arm Keyboard Tray - Retractable Mouse Pad (Charcoal) (20"H x .25"W x 10"D) Color: Charcoal Size: 20"H x .25"W x 10"D MADE IN USA SWIVEL MOUSTE TRAY CAN BE ATTACHED TO EITHER FRONT KEYBOARD CORNER - SPECIFY RIGHT OR LEFT PER ORDER WRIST REST INCLUDED AT NO EXTRA CHARGE