Hammond 1590W Series Watertight Diecast Aluminium Enclosures – Natural – Hammond 1590WF, This Hammond 1590WF enclosure measures 187.5 x 187.5 x 67mm and is part of a range of natural finished, watertight diecast aluminium boxes suitable for a wide range of applications. Hammond 1590WF Watertight Diecast Enclosure Natural (187.5 x 187.5 x 67mm)