SUNWAY INC STKSO840CH COMPLETE ARTICULATING SYSTEMS - SINGLE KNOB ARM -ARMTKS Color: Charcoal Size: 20.75"H x 11.75"W x .25"D MADE IN USA SUNWAY'S ORBIT TRAY WILL FIT IN A DIAGONAL OR RADIUS CORNER WITH ANY OF SUNWAY'S KEYBOARD ARMS WRIST REST INCLUDED AT NO EXTRA CHARGE