BL-1337 Large Rear Loading Dual Door Drop SafeProduct Description BL 1337 Large Rear Loading Dual Door Drop Safe Underwriters' Laboratories Group II S&G combination lock Triple bolt work from the door into the safe The back loading depository will fit most large money bags(2. 75" x 10. 5" x 7. 5") If the back cover is knocked off the lock, an independent re locking device prevents bolt withdrawal (Available on either combination or dual key operated doors) The steel door is . 5" thick with a