This tough, durable, four-step ladder swings up and out of the way, locking into place when not in use. Its roto-molded polyethylene construction with molded-in fungicides and UV inhibitors will not fade, crack or corrode with exposure. Stainless steel assembly hardware included. Gable height: 20-1/2". Gable depth: 19-1/2". Tread width: 14". Tread depth: 4". Distance to first step: 12-1/2". Distance between treads: 10-1/2".