The Werner LeanSafe X3 Aluminum ladder is 3 ladders in one. It has a TIAA, 375 lbs. Duty Rating and can transition from a step ladder, to a straight ladder and into a leaning ladder. You can change ladder position seamlessly with a 1-handed lock adjustment operation which allows for a quick transition from 1 ladder position to the other. It also has an all-in-1 top that has a tool bin and magnet. The top is also made of non-marring rubber to protect work surfaces from getting damaged. The compact rear rails also fit between standard framing studs for ultimate versatility and ease of use.