Product details:

A step up in capacity from the Centurion 12, the Liberty Centurion 18 has more shelves and space for handguns, ammo, and other valuables, and is available with Libertys dual-flex interior shelving system for maximum storage versatility. The Centurion 18 features 30 minutes of fire protection at 1200-degrees F, a 14-gauge steel body, and Libertys thick, pry-resistant military-type locking bars. An excellent starter safe that provides real protection in a convenient size—and at a great price.