http://www.LibertySafe.com Next up is Liberty’s newest series, the National Classic. Built like the Lincolns on the inside, the National Classic adds six feature differences from the Lincoln’s for a unique combination of security, fire protection and western styling. 1. Open the Classic door and you’ll notice our new 5-inch thick, 2-step door with 3/8-inch solid steel door front. This door is one of the toughest in the industry. 2. Combine this door with our thicker 10-gauge steel body and you h