The masterlock 5412e push button select access key safe is an easy to use push button combination type safe and can be fitted to the wall inside or out has a very strong solid zinc body that has good resistance to hammering and sawing the 12 buttons to set ones own combination provides a massive 4096 available combinations so there is no fear that it will get breached the hinged door system means you dont need to worry about misplacing the front the key safe is weather resistant and will tackle