The 30 Cal is also known as 7.62MM and M19A1. Constructed from rugged metal. It features a hinged lid with tension clamp down, a rubber seal on lid and a carrying handle. Air tight & water tight. Great for storing documents and valuables. All metal construction with rubber gasket. Lockable for ammunition storage. Slid pin hinge allows for lid removal Additional shipping charges may be required. Dimensions: (Length)10inches x (Width)3.5inches x (Height)7 inches.