In your mind, picture thick and heavy doors made out of steel, protecting a whole treasure chest of valuables. Now picture a door made out of very thin wood protecting the very same treasure chest. Most vault doors for sale are created from thick steel, to ensure that they provide sufficient protection from theft. There are even some with multiple re-lockers that will kick in, in the event that a thief even attempts to drill through your safe. Likewise, vault doors are used in safe rooms, panic rooms, tornado shelters, as well as storm shelters. A lot of these doors make use of a combination type of lock, as well as a hard plate that resists drill attacks. At the same time, vault doors are created to snugly fit into the door frame of your gun vault. For the best fit, see to it that you get the dimensions of your gun vault.