50 x 50mm hole x 4ft x 12ft x 4mm thick Galvanized Expanded Metal

Used with concrete in buildings and construction, maintenance of equipment, making of arts and crafts, covering screen for a first-class sound case. Also fencing for super highway, studio, highway. Heavy expanded metal can be used as step mesh of oil tanks, working platform, corridor and walking road for heavy model equipment, boiler, petroleum and mine well, automobile vehicles, big ships. Also serve as reinforcing bar in construction, railway, and bridge