"LOUISVILLE" WOOD ATTIC LADDER TYPE IRated for 250 pound load capacity. Pre-assembled, contains installation kit and instructions. Extra corner bracing keeps stairway frame square. Double-hinged rail joints, steps with wire rod supports, and full width door hinge for strength and durability. EZ-Hang Strap system acts as temporary supports for quick and easy installation. Highlight :8" 9" Wood Attic Ladder Type I Working Load Limit 250 LB 22-1/2" x 54" x 7" - 8" 9" The Only Way To Get Into Those Attic Spaces Easy To Pull Down & Put Back Up Exclusive EZ-Hang Strap System For Quick And Easy Installation Wire Rod Under Each Step For Strength Easily Adjustable Spring TensionHeavy Duty Hinges At Rail Joints Limit Side To Side Movement