The Mezzanine Ladders are used for infrequent usage to access mezzanines. They are ratcheted into climbing angle and back into stored position. The wheels roll on the ground when ratcheted and the handrails mechanically rise into climb position when ladder locks into position. Quickly extend and retract the ladder. The mezzanine ladder allows for quick installation with mounting bracket provided for bolt-on installation or welded installation. Steps are 24-1/4" wide. Collapsed distance from wall is approximately 15-1/2" for all models. Customer must provide their mezzanine height at time of purchase. Baked in Powder coat blue finish for added toughness. Meets or exceeds all OSHA requirements. Ships knockdown, some assembly required. Survey sheet available for mezzanine heights of 60" to 120". The Powered Mezzanine Ladders are used for infrequent usage to access mezzanines. They are quickly powered into climbing angle and back into stored position. The wheels roll on the ground when ratcheted and the handrails mechanically rise into climb position when ladder locks into position. Quickly extend and retract the ladder with the hand held pendant. The mezzanine ladder allows for quick installation. The unit keeps a small distance from wall for compact storage. Customer must provide their mezzanine height at time of purchase. Baked in Powder coat blue finish for added toughness.