Mechanical Combination Key Safe. Rugged, weather resistant aluminium 4 - digit combination key safe. Able to store up to 5 standard keys and with 10,000 resettable combinations this offers a flexible and secure solution to key storage. No need to carry keys with you when you leave the house. ideal for holiday villas to allow easy access for guests. A perfect solution to share access your keys. Easy to install and comes with all fixings to mount permanently on a wall. When closing the front hinged drop down lid after removal of keys always rotate the tumblers to ensure your personal code number remains hidden and safe from prying eyes.