Hammond 1593 Series Instrument Enclosures – Hammond 1593TBK, Hand-held black instrument enclosure from the Hammond 1593 series, 112mm in length, 66mm wide and 21mm high. Ergonomically designed for a comfortable fit into the user’s hand, this enclosure has a recessed top for membrane display. The unit is secured with self-tapping screws, and is ideally suited for mounting printed circuit boards. Hammond 1593TBK Instrument Case GPABS 112 x 66 x 21, Black