Available in Red Oak & Poplar. other species: white oak, maple, cherry, Brazilian cherry, hickory, ash, mahogany, walnut. Single & bullnose starting steps, Single & Double Quartercircle Starting Steps. Custom Bowed Starter Steps. Strings and skirtboards with ogee or flat edge. Routed (housed) skirt boards with wedges, pitch blocks & verticals, face and wall stringers.