The SPECRAIL Industrial (SI) ornamental aluminum fencing system combines its heaviest gauge aluminum extrusions for high visibility and substantial appearance, with aesthetic excellence. The SI system incorporates a 1” x 1” picket with 3 or 4 (1 5/8” x 1 5/8”) rails and is fastened with stainless steel TEK screws. The finished product will beautify property lines while creating a deterrent to illegal entry. Available in 6' or 8' wide fully assembled panels.