I can't recommend Fort Knox safes, the combo lock on mine seized up so the bars wouldn't fully retract and I had to hire a locksmith to break into my safe to the tune of $250. When contacted Fort Knox said that it was only the second time they had heard of that happening but they offered no help in repairs or otherwise.
Lesson learned: stick with a safe maker that has a good guarantee and abides by it.
I know that I'll never buy another Fort Knox.