Little Giant Ladder Systems 15109-001 300-Pound Duty Rating Select Step 6-Feet to 10-Feet Adjustable Step Ladder Comfortable standing platform at any height between 6 feet and 10 feet.A-Frame max height 10' 1",A-Frame min height 6' 1",Rung Size Single Section Inner: 1.75" Outer: 1.75",Storage height 6'1" Safe to use on staircases or uneven surfaces. Lightweight and easy to move from job to job.