The Amsec M011802 is a robust security solution featuring a 1-3/4 inch solid steel C-rate lift-out door, designed to offer superior protection. It is equipped with a manipulation-resistant, unitized U.L. Group II key changeable lock, safeguarded by a revolving carburized hardplate to resist burglary attacks. The door's integrity is ensured by three bolts, each capable of withstanding over 25,000 pounds of shear force.