* U.L. classified * Protects valuables from the effects of fire or heat for 1 hour * Fire-resistant fire material and four massive 1" diameter solid steel live locking bolts for added security * Four inner walls are carpeted in a durable grey fabric * Adjustable heavy-duty shelf * All-steel construction * Door with an overall 3-1/2" thickness * Body with an overall 3" thickness * Locking bolt detent which prevents damage to safe body and bolt-works * Electronic lock * Concealed emergency key system allows instant access in case you lose your code, dead batteries or an emergency * Two emergency keys included * Exterior dimensions: 19.5" H x 21" W x 20" D * Model MFS-55E