Hammond 1590w series watertight diecast aluminium enclosures natural hammond 1590wdd this hammond 1590wdd enclosure measures 1875 x 1195 x 37mm and is part of a range of natural finished watertight diecast aluminium boxes suitable for a wide range of applications hammond 1590wdd watertight diecast enclosure natural 1875 x 1195 x 37mm