3-Step 42in Iron Pool Ladder 058960341. This 3 step pool ladder features a 42 inch height, ideally suited for medium sized above ground pools and shallow in ground pools, offering a stable and user friendly access for swimmers to enter and exit the pool comfortably. 2. Constructed from high quality iron, the ladder delivers exceptional sturdiness and long term durability, capable of resisting water corrosion, outdoor UV rays and weathering, ensuring no easy rusting, fading or deformation