Hammond 1590WxxBK Series Watertight Diecast Enclosures – Black – Hammond 1590WN1BK, This Hammond 1590WN1BK enclosure measures 121 x 66 x 40mm and is part of a range of black finished, watertight diecast aluminium boxes suitable for a wide range of applications. Hammond 1590WN1BK Watertight Diecast Enclosure Black (121 x 66 x 40mm)