... structure, high safety factor, for the protection of prison and key projectSpecification: this fence is available in 2 x 4-inch ... 1-inch mesh, Rolls are 50ft or 100ft in length, and come in a variety of heights Technical note: razor barbed ... sites, airport, prisons, governments, banks, and also on walls, personal houses, windows, highways, railways and fence borders Packing: moisture-proof paper ...