The Supreme Series–its elegance is only surpassed by its security. Sculpted classic lines, recessed door and radiused corners provide classic steel work second to none. Body + 2-11/16″ Thick Composite Walls + 3/16″ Steel Walls + Four Layers of Fire Insulation + Double-Steel Door Casement™ + Three Fire Seals Maximum-Security Door + 5-1/4″ Thick Triple-Step™ Door + 3/8″ Outer Steel, Full 10-Gauge Inner Steel + 1/2″ Reinforced Door Edge + External Ball-Bearing Hinges + Four Layers of Fire Insulation + Five-Spoke Custom Handle with Slip Clutch BoltWorks + Radial Gear-Driven Boltworks + Four-Way Active Boltworks + Up to 20, 1-1/2″-Diameter Door Bolts + Door-Detent™ System + Roughneck™ Bolt Guides Lock Protection + Sargent & Greenleaf® Group II ELock + Glass-Guard™ Relock System with Remote Relockers + Superior’s Auto-Relock™ System + Diamond-Embedded Armor Plate™ Interior + Plush Velour Interior + Bank Box™ Storage System (SU-55, SU-65) + High Capacity Gun Racks + Steel Reinforced Top Shelves + LED Lighting with Motion Sensor + External 120-Volt Inlet + Deluxe Door Organizer Ratings + 1865°F 110-Minute Fire Rating + UL ® Residential Security Rating + Tested in an ASME Certified Facility + Lifetime Warranty