The Master Lock security chest is a great item to secure your belongings in your home or office. It is also ideal to secure pistols, revolvers, clips and ammo safely out of unwanted hands, and the heavy steel construction keeps them accessible. The end handles also make this box easy to retrieve from under the bed. The fire retardant insulation protects contents. The box is constructed of heavy gauge steel and has a sturdy cam lock in the lid. It has a dual sided key that, fortunately, doesn"t match any other Master Lock products. 4" (10.2cm) x 13-1/4" (33.7cm) x 10-3/4" (27.3cm)