Don't let heights keep you down. Exclusive to Home Hardware, this Benchmark 21' telescopic articulated ladder works as an extension ladder, scaffold, step ladder and an offset step ladder. Offset allows for multiple positions and uneven ground and steps. The scaffold function allows for working heights up to 4' and separates into two bases. As a step ladder, it has a minimum height of 5' and a maximum height of 9' and as an extension ladder, has a height of 11' minimum and 19' maximum. Height adjusts in seconds with locking tabs. With a 300 lbs load rating this is one versatile ladder for all your climbing needs.