Adaptable to Different Heights: This aluminum attic ladder fits 9.810.3 ft or 7.669.8 ft ceilings, with two detachable steps for adjustment. It can be trimmed if too long and includes anti-slip adjustable feet for various floor types. Cut a 54 x 22.5 in opening (depth 4.3 in), drill, lift, and screw to install. (Must mount on a load-bearing area!) Hydraulic Support for Smooth Lowering: The upgraded dual-side hydraulic rods allow the attic stairs to open slowly and steadily, avoiding sudden drops and ensuring reliable use for your family. It also reduces the effort needed to open or close the ladder, ideal for the elderly or people with limited strength Effortless Open & Close: This pull-down attic ladder system includes a pull rod and ring, so you dont need to climb or buy extras. Just pull gently to open the ladder, and use the rod again to fold it back