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