The master lock 7147d combination lock security chest has a set your own combination locking mechanism for keyless convenience it has a durable steel construction that stands up to daily use and a removable tray for convenience spring clips securely organise notes underneath the lid and a removable 6 compartment tray organises coins cheques and other items contents not included all master lock products with a locking mechanism have a lifetime warranty against mechanical failure size h x w x d 19