4' To 7', Telescoping Multi Purpose Aluminum Ladder, Type 1A, 300 LB Load Capacity, Features A Telescoping Design For Maximum Versatility, Will Work As A 4' To 7' Stepladder & 9' To 15' Extension Ladder Or 1' To 3' Scaffold, Extra Wide Flared Bottom For Firm Support, Smooth Curved Rails For Comfortable Climbing & Professional Grade Hinges & Storage Case Included, Meets ANSI & OSHA Codes.