Rated for 350 pound load capacity. Lightweight aluminum attic stairway designed to provide access to additional storage space. A gas cylinder is used instead of traditional springs to ease the force needed to open and close the attic stairway and eliminates door slamming. Wider clearance is created with the new design providing greater access to your storage space. The stair is also fitted with insulating panels on the door which saves energy. Adjustable shoes are included to ensure a perfect fit with anyflooring type. Installation kit with E-Z Hang straps is also included.