Highest quality, heaviest railing available. Assembled section. For step or platform railing. 20% heavier than Ironworks standard Windsor rail. Channel is 1-1/4" W. x 1" D. Rails are 28" high and have 4" spindle spacing to meet building code requirements. No. 573: Nominal Dimensions: 36" H x 4" L, Material: Wrought iron, Style: Windsor Plus, Color: Black No. 575: Nominal Dimensions: 36" H x 6" L, Material: Wrought iron, Style: Windsor Plus, Color: Black