The attic ladder fits 10.5-11 ft ceilings with ≥5.12 in thickness and 2 in wall gap. The alloy steel X-frame, hinges, and support rods hold 660 lbs with 5.5" steps, anti-slip feet, dual hydraulic rods for easy use. Includes pull rod, ring, magnetic door. Folds to 38.6x27.2x17.3 in for easy storage. | Vevor | | Attic Ladder, 660LBS/299.4KG Capacity, Fits 10.5 to 11 ft Ceiling Height and 39.4 x 27.5 inch Opening Size, Alloy Steel | Black | Best Buy