Superior Safe Master 40 is known as a heavy steel vault which comes with four-way active bolt works and 11/2" diameter door bolts to provide enough security for its content. In addition, Superior Master 40 Gun Safe has sufficient fire rating at 1650° for 90 minutes, which is rather rare for a safe with such an attractive price. Specifications Superior Master 40 Gun Safe Specifications Body: Exterior: 66.5" H x 36" W x 28.5" D Volume: 38 cubic feet Classic Steel Arch Doorway™ 2" Thick Composite Walls 10 Gauge Steel Walls Three Layers of Fire Insulation Double-Steel Door Casement™ Two Fire Seals Gun Capacity: 49 long guns Weight: 1015 lbs Maximum-Security Door: 4-1/2" Thick Double-Step™ Door 3/16" Thick Outer Door, 12-Gauge Inner Door 3/4" Reinforced Door Edge Three Layers of Fire Insulation Five-Spoke Custom Handle with Slip Clutch Chromed Pull Handle BoltWorks: Radial Gear-Driven Boltworks Four-Way Active Boltworks Up to 16, 1-1/2" Diameter Bolts Door-Detent™ System Roughneck™ Bolt Guides Cam-Lock™ Pressure Reliever Lock Protection: S&G Group II Dial Lockor S&G Electronic Lockor La Gard Electronic Lock Superior’s Auto-Relock™ System Diamond-Embedded Armor Plate™ Interior: Plush Velour Interior High Capacity Gun Racks LED Lighting with Motion Sensor External 120-Volt Inlet Deluxe Door Organizer Ratings: 1650°F for 90 minutes UL® Residential Security Rating Tested in an ASME Certified Facility Lifetime Warranty Additional Information Video