Stop hiding your keys under the doormat or under a flower pot, Master Lock Select Access is the perfect solution to share keys with your hosts, family or friends. Controlling access to your home, building sites or managing access to multiple properties has never been more convenient. The box features an extra large metal body of 106mm for durability and accepts multiple house, car keys and access cards. The wall mount design offers permanent installation. Set your own 4-digit combination for keyless convenience and increased security. The shutter door protects combination dials from weather, dirt and grime. For added security, consider installing Select Access in a discrete location.