Amarine-made Heavy Duty 4 Steps Boat Marine Dual Vertical Telescoping Tube Stainless Steel Sport Diver Ladder with Mount- 4 Steps - M1085S4 Heavy Duty - rated to 400 lbs (181kg) boarding weight Superior corrosion resistant electropolished stainless steel Dual center post design - angled mount for stairlike usability Smooth slide with nylon bushing between ladder sections prevent galling and inadvertent deployment Oval shaped steps with non-skid surface for comfort