Constructed with Heavy Duty Marine Grade Cast 316 Stainless Steel, Weight Capacity 200 lbs. Can be useful in many hard-to-reach locations, widely used for marine boats, vans, car, caravan, Loft, attic and easy installation Anti-Rattle Stainless steel spring plate hold step in position while not in use. Space saver, flip down and easy access. Diamond tread non-slip step surface for safety and extra traction Available in Small and Large size.