keyboard drawer black 260420 Features:very solid keyboard drawer - lacquered metal - for installation into 19" cabinets ball bearing keyboard drawer safety lock with two keys solid metal handle keyboard : optional German or US layout, normal hotkeys, separate number pad with Windows-function keys, keyboard PS2 or USB trackball : trackball with 3 Micro Switching-keys, padded palm layer PS2- and USB-connection, incl. driver-disc