Made with a 14 gauge steel body and door, the Stealth EGS23 will do a great job of keeping your firearms locked away from kids. Keeping the door in place are 8 solid steel chrome-plated 1" locking bolts, with four being active and four deadbolts on the hinge side. The door opens on two external pin hinges after the correct combination is entered into the UL Approved NL Universal Lock UR-2020 High Security Electronic Lock.This lock is the most reliable lock in the safe industry with a 99.99% reliability rate and over 1.2 million sold. The electronics are Made in Italy, the housing is made in Slovenia and everything is assembled and tested in the USA. The lock is also protected by a hardplate and a relocker that will keep the bolts locked if a thief were to attempt a punch or drill attack. In addition to the security, the Stealth essential Gun Safe EGS23 is fire resistant for 30 minutes at 1200°. 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. An additional feature that makes the Stealth essential Gun Safe better than the competition is the customizable Molle interior door organizer that helps free up additional space in the safe. This system is far better than sewn-in pockets as the system allows for full customization. Want your pistol holsters at the bottom of the organizer? No problem. Want them lined up on the right side? No problem. Want to get rid of all the included accessories and use your own? Again, no problem! You can add and remove accessories as you need with the convenient strap and snap system.