DescriptionAcro 12060 Universal Guardrail System - For flat roofs, metal roofs, parapets, skylights, stairwells & rake edges on steep pitched roofs. - Plate can be nailed, bolted or welded and if necessary, left behind. - Comes complete. - Maximum spacing is 8' apart. - Can be used for fall protection. - Complies with OSHA regulations. - Powder coated safety yellow. - Made in America.