11 Gauge steel body, 4 sided 3 way active 1.5” bolt works, 90 min. 1250° fire rating, reinforced heavy steel bolt guides, 11 Gauge inner and 11 Gauge outer steel plate TRU composite door, continuous weld design, cold smoke and expanding door seal, 5 spoke handle, heavy vault style pull handle, black chrome hardware, LED light system, U.L. electric outlet, S&G Mechanical Lock, door organizer system, gray carpet interior.