Hammond 1590w series watertight diecast aluminium enclosures natural hammond 1590wp1 this hammond 1590wp1 enclosure measures 153 x 82 x 50mm and is part of a range of natural finished watertight diecast aluminium boxes suitable for a wide range of applications hammond 1590wp1 watertight diecast enclosure natural 153 x 82 x 50mm