This fully assembled exterior stair, 60" diameter, has landing and balcony rail to match. The handrail is # 200 (1 1/2") round steel tubing. The balusters are # 326 (hammered forged) taper from the ends up to the center to a collar, two per tread. The treads are a # 110 (12 gauge) checker plate steel. The checker plate landing is a custom 90 degree rectangular shape with 42" rails, two sides, with top handrails and balusters to matching the stair. The center column is a 4" OD .135 wall tube. The stair was shipped with a standard coat of red oxide primer and a coat of our standard black paint.