Product Details The Challenger Series is built with quality and protection in mind. The door is built using 12-Gauge outer steel with a full 14-Gauge inner plate providing more security and door rigidity to any safe in its class. The 12-Gauge steel walls house 5/8” Type X fireboard along with a heat-expanding fire seal surrounding the door frame to give 60-minutes of content protection against a 1200° Fahrenheit fire. Up to 12-1-1/4” doorbolts secure the safe against unlawful break-ins. A double-steel door casement further enhances the pry resistance of the Challenger Series. Included with a 5-spoke handle, external hinges for a 180° opening, high-capacity gun racks, adjustable shelving and a plush interior, you will find that the Challenger Series is the strongest choice in a dollar-to-dollar comparison. Body 2”-Thick Composite Walls Steel Reinforced Top Shelf (GC45) 12-Gauge Thick Steel Walls Heat-Expanding Fire Seal Double-Steel Door Casement™ High-Security Door 12-Gauge Outer Door Steel Full 14-Gauge Inner Door Steel 4” -Thick Double-Plate Door Diamond-Embedded Armor Plate™ Auto-Relock™ System 5-Spoke Handle External Hinges Full 180° Open Radius BoltWorks Roughneck™ Bolt Guides Four-Way Active Boltworks Up to 12 - 1-1/4" Door Bolts Lock Protection Champion’s Auto-Relock™ System Diamond-Embedded Armor Plate™ Interior High Capacity Gun Racks Plush Interior Adjustable Shelving Ratings 1200°F 60-Minute Fire Rating Tested in an ASME Certified Facility UL® Security Rating Lifetime Warranty