SN: 103358. The Guardian model continues to be Fort Knox's most popular safe. Certified 1680ºF/90 minute fire protection. 1 3/4″ Reinforced fire door. 10 gauge steel, Uni-body construction (1-1/2" total body thickness). Up to 20-1/2" diameter active door locking bolts, strategically placed at sides, top and bottom of door.Patented Star Corner Bolts. Silver enamel exterior features Ft. Knox graphics and pinstripes with nickel 5-spoke handle and electronic tumbler. Carpeted 68 long gun interior has two top accessory shelves. SIZE: 72.5" x 51" x 27". CONDITION: Excellent. Exterior has a few minor rubs and scrapes on sides and back from moving. Door graphics are excellent and intact. Interior carpet is clean. Mechanics are smooth. Electronic tumbler works well. 53241-3 JWD105 (1,500-2,500)