CONCEPT® Wall-mount enclosures, type 4 and 12. Seams continuously welded and ground smooth. 16 door gauge and 18 body gauge. Corner-formed doors. Simple easy-to-remove and install hinge pins with built-in captivation clip. High-torque thread less studs and fasteners on door. Minimum-width body flange provides maximum door opening (210°). External formed body flange. Panel mounting studs fit optional CONCEPT panels and other accessories. Mounting holes in back of body for optional external wall-mount brackets. Hidden hinges. Doors are interchangeable and easily removed by pulling clip-style hinge pins. Seamless foam-in-place gasket. Quarter-turn slotted latches. Door alignment device on doors wider than 30 inch. Four hinges on 60 inch high enclosures. Grounding stud on body, bonding provision on door (except window-door models). Provisions for thermoplastic data pocket (right-hand hinged door on two-door models). Hardware kit with panel mounting nuts, panel grounding hardware and sealing washers. Single-door enclosures have a three-point latch system on enclosures where A is equal to or greater than 42 inch with quarter turn, slotted latch. Window-door enclosures have a clear polycarbonate window flush with door surface. Mounting frame on flush-mount enclosures extends completely around enclosure. Two-door enclosures have a overlapping door design which provides full-width access. Two door enclosures have a three-point latch system on right-hand hinged door furnished with flush slotted insert. Illustrated instruction sheet. Finish: RAL 7035 textured light-grey polyester powder paint inside and out.