Hammond 1590W Series Watertight Diecast Aluminium Enclosures – Natural – Hammond 1590WH, This Hammond 1590WH enclosure measures 52.5 x 38 x 31mm and is part of a range of natural finished, watertight diecast aluminium boxes suitable for a wide range of applications. Hammond 1590WH Watertight Diecast Enclosure Natural (52.5 x 38 x 31mm)