Alpha Elite Lock Box Crag Packs 6mm thickness for balance of If you are looking 6mm thickness for balance of protection Need the Tahoe in prescription Patented cable receiver allows maximum storage space Premium protective foam interior Meets TSA airline guidelines for firearms storage Exceeds ASTM International and CA DOJ safety standards for child safety and pry resistance lock strength drop pick saw tests and hinge attack resistanceSpecifications: Type: Personal Vault Color: Black Entry: Key Material: 16 Gauge Steel Interior: Foam Padded Dimensions: Interior: 9 From its 16 gauge steel housing with pry resistant security band and barrel key lock to its patent pending dual crossbar latch mechanism the Alpha Elite delivers top notch security that standard lock boxes can