Multipurpose Folding Ladder: The lockable hinges can be adjusted from 0° to 180°, making it flexible to change the shape of the ladder. It can serve as the A-frame ladder, straight ladder, stairway platform, M-shaped ladder, overhang ladder and scaffold to meet your different needs. The scaffold requires 2 platforms (not included). Stable Aluminium Alloy Construction: Constructed of heavy-duty aluminium alloy frame, this step ladder features high resistance to deformation and rust. Plus, the reinforced stabilizer bar increases overall stability. And the sturdy construction enables this step ladder to load up to 330 lbs.