Little Giant 22-Foot Velocity Multi-Use Ladder, 300-Pound Duty Rating, 15422-001 The Model 22 converts to a 19 foot extension ladder - Enjoy an unmatched feeling of stability, dual-pin hinge, wide-flared legs and the highest quality construction. It is a true two-person ladder Use the Velocity as multiple sizes of A-frame, extension, 90-degree ladders, or as a scaffold system. Buy one ladder to do the job of five,A-Frame max height :9'1'',A-Frame min height: 5'1'',Extension max height: 19',Extension min height:11',Rung Size Single Section:Inner: 1.5'' Outer: 1'',Stepladder height: 5'7",Storage Depth: 9'',Storage height: 5'7",Width at base: 27" Use the right ladder for the right job every time and avoid 95 percent of all ladder-related safety issues Reach some of the toughest areas such as the space above the staircase, vaulted ceilings; and use your ladder over and around obstacles The Little Giant Velocity Model 22 exceeds all OSHA and ANSI standards and is industrial rated up to 300 lbs.