ACCO BRANDS, INC.-ARM,KYBRD,PLTFRM,ARTIC. Articulating Keyboard Platform w/SmartFit System, 30-1/2 x 11-3/4, Dark Gray. Adjustable height, +/-15° tilt and 360° swivel. Wrist rests with soft microfiber shell provide comfort and support. Fits all keyboards, even ergonomic. Color(s): Dark Gray; Keyboard Tray Dimensions (W x D): 30 1/2" x 11 3/4"; Mouse Tray Dimensions (W x D): Incl. in Keyboard Platform; Height (+/- Desktop): +0"/-7 1/2" Below.