Louisville Ladder AA2210 Elite Aluminum Attic Ladder, 375 Pound Load Capaci, 22-1/2 x 54" ROUGH OPENING DIMENSIONS: 22-1/2 x 54-inches CEILING HEIGHT: Fits 7-foot 8-inches to 10-foot 3-inches ceilings. Step Depth : 3.25 inches STURDY AND SAFE: Able to hold up to 375 pounds, with reinforced, grooved steps to provide maximum traction. Heavy-duty hinges not only help the ladder unfold smoothly, but they also keep it from wobbling dangerously as you climb CUSTOMIZABLE ELEGANCE: Elegant and smooth finish with adjustable spring tension