Little Giant Classic 10102LGW Ladder System with Work Platform (17-Foot) for $169.99 shipped. Here is a screenshot for your reference. It is made of heavy-wall, 6005-T5 aluminum, the very same material used in aerospace construction and holds up to 300 pounds. It features 24 different ladders combined to make a versatile ladder system. This Model 17 has a step ladder height of 4 ft. & adjusts up to 7 ft. in 1 ft. increments. The extension height is 9 ft. & adjusts up to 15 ft. in 1 ft. increments. Most places have it for about $319.