Vevor Attic Steps Pull Down Attic Stairs 12 Steps Pulldown Attic Stairs Black Mg-Al Alloy & 660 Lbs Load Retractable Ladder 12-Steps Stable Pad & Unique Tread Ergonomic Designs Easy to Install Wide Application Maximum load: 300 kg/660 lbs,Tread Size: 50 x 14 cm/19.7 x 5.5 inch,Number of Steps: 12,Color: Black-white,Material: Mg-Al Alloy,Wall Fixing Frame Size: 70 x 70 cm/27.5 x 27.5 inch,Maximum Reach Height: 3 m/9.8 ft,Item Weight: 50 kg/111 lbs