Basement Window 4-Step Galvanized Steel Emergency Escape Ladder with 300 lb. Weight Capacity Professional grade 4-step egress escape ladder for use in basement window wells 54 in. to 66 in. in depth Constructed of galvanized steel tubing. No tools required for assembly. Assembles and installs in minutes Anti-slip rung tape included Graspable handrails for quick and easy escape.. Installs quickly and securely to typical corrugated steel basement window wells using only 2 self-tapping screws Typical for corrugated metal wells but will mount inside all types of basement window wells (metal, concrete, plastic, block, timber etc.) with the use of alternative mounting hardware (not included) Mounts to concrete foundation walls to aid in climbing into basement windows with over a 44 in. sill height as required by IFC and IBC code (must use alternative wedge anchor mounting hardware). Meets or exceed IFC and IBC building codes. 300 lb. weight capacity