Master Lock 5400D Select Access Key Storage Box with Set-Your-Own Combination Lock, 4-Pack Hanging key storage box with combination access to 5 keys Large key storage compartment holds over 5 keys for house, car, or padlock Hangs from doorknob, fence, or just about anywhere Personalized, adjustable combination lock with 4 dials offers up to 10,000 combination possibilities for optimal security Reinforced body withstands hammering and sawing