Strong, lightweight anodized aluminum construction Easy boarding for swimmers or divers with fins or heavy gear Steps fold “parallel” in automatic unison for storageDual aluminum center vertical rails for stable support while boardingOptional storage brackets available for stowing folded ladderComfortable Ergonomic Designed Step - Black reinforced nylon with traction molded curved surfaceHeavy-Duty rated to 400 lbs. (181 kg) boarding weightStainless steel mounting bracket includes “Kick-up” feature if boat takes off with ladder in down position