Heavy welded mesh for fencing, it is also name wire wall, more small opening, more heavy wire guage. 1)no toe or finger holds to climbing 2)heavy wire and samll opening make cutting very difficult This welded security fencing is a superior security barrier for perimeters and critical infrastructure assets, such as bridges, pumping stations, fuel dumps, and chemical plants, and even for window screens, and security cages. Specifications:1/2" x 3" 1" x 3" 8guage. Panel size from 2m to 4m. Finishes by galvanized or hot-dip-galvanized or powder coated after gal. Any color available. Any other size can be made by customer design