Formed 14 or 16 gauge steel. Smooth, continuously welded seams ground smooth. Door stiffeners are provided where required for increased strength and rigidity - designed to also permit additional mounting options. Formed lip on enclosure to exclude flowing liquids and contaminants. Door latches feature the added safety of quarter turn slot requiring use of tool for opening. Doors may be easily removed for modifications and are interchangeable. Seamless poured-in place gasket. Collar studs provided for mounting inner panel. Includes hardware kit with panel mounting nuts and sealing washers for wall mounting holes. Bonding stud provided on door and grounding stud installed in enclosure. Hinges are constructed from 304 stainless steel. Hinge pins are stainless steel. Quarter turn latch and multi-point handle (key lockable) are zinc diecast with black epoxy finish. Door alignment guide provided on 36" wide enclosures.