Master Lock Select Access 4-Digit Combination Lock Key Storage Unit 5401DThis Masterlock 4 Digit Key Storage Unit is the ideal way to share access among several people without compromising security. Inside, there is space for up to 5 house or car keys. They are securely contained behind a 4 digit combination lock, so you can limit access to as few or as many people as you like. The stoarge unit is designed to be wall mounted, and is constructed from sturdy zinc for protection from weather. A small shutter door protects the