Excellent load-bearing capacity: The telescopic stair ladder is made of S-shaped steel stamping plate and thickened cold-rolled steel steps, and has a maximum load-bearing capacity of 1100 pounds. The excellent load-bearing capacity makes it a good helper for climbing stairs. Easy installation and easy operation: Complete accessories and detailed installation instructions make installation and maintenance easier. The wall-mounted telescopic ladder has an ergonomic design and is equipped with a long pull rod for easy opening and closing. Safe and Firm: The steps of this folding ladder feature a concave and convex anti-slip strip design, which is effectively non-slip, and the hinges feature enlarged connecting hinges, which are more solid. Wall-mounted telescopic attic ladder: It is wall-mounted, firmly attached to the wall and does not move. This not only saves space, but also ensures that the ladder does not slip when in use. Ceiling Mount Type: This attic ceiling ladder is a ceiling mount type. It can be easily pulled down or removed from the ceiling, which is very convenient.