... 4.all of the specification can made as demanding Metal Expanded Wire Mesh Window Guards 1. specifications: Material: Thickness: 0.3 ... : 3 to 80mm2. Materials: steel plate, stainless steel plate, aluminum plate, titanium plate, lead plate, nickel plate, and more.3 ... roads, buildings; also protection of machines, electrical appliances, windows.Expanded metal mesh: long way is 3-200mm, short way is 3-80mm ...