These heavy duty ladders feature 1-7/8” galvalume tubing (zinc and aluminum alloy) which offers very superior corrosion resistance. They are white powder coated for a bright, smooth finish. The steps are hot dipped galvanized steel with ribbed non-slip PVC treads. The lower section can be easily removed with 2 bolts for off season storage. All hardware included is stainless steel. 4 Step.