Passing the UL RSC burglary tests with the highest scores, the Stealth UL14 is made with a 12 gauge solid steel door and body. Add in the 4-way 10 solid steel, 1.25" thick locking bolts combined with razor thin door gaps and you have yourself an extremely secure, pry-resistant UL Approved Gun Safe. With the Stealth UL gun safes you get real security, tested and rated by an independent agency, Underwriters Laboratories. The Stealth UL14 gun safe includes the UL Approved NL UR-2020 High Security Electronic Lock standard. This lock is the most reliable lock in the safe industry and is assembled and tested in the USA. The lock is also protected by a hard plate and internal re-locker that will keep the bolts locked if a thief were to attempt a punch or drill attack. The S&G Mechanical lock and NL Redundant Lock are also available lock options. In addition to the burglary rating, the Stealth UL14 Gun Safe comes with a 1 hour fire rating at 1200°. This ensures your valuables stay safe and cool inside with the interior temperature never passing 350° F. Stealth also adds an intumescent door seal that expands to multiple times it's size during a fire to prevent smoke from entering the safe keeping your contents safe and secure inside. Unique to Stealth Gun Safes is the customizable Molle interior door organizer that helps free up additional space in the safe.