That's the Hollon standard. 1/2 inch Solid Steel Door. Total Door Thickness: 3 inch. (5) 1 1/4 inch Massive Chrome Plated Solid Steel Live Locking Bolts. SandG UL Listed Type I Electronic Lock.
(1) Drill Resistant Hard Plate. (1) Full Length Locking Bar to Deter Attacks on the Hinges. Item Dimensions (in inches) WEIGHT: 200 lbs.Inside Dimensions (in inches) volume is 4.57 cubic feet. This item is in the category "Home & Garden\Home Improvement\Home Security\Safes". The seller is "aentropyllc" and is located in this country: US. This item can be shipped to United States.