Kidde KL-2S Two-Story Fire Escape Ladder with Anti-Slip Rungs, 13-Foot with Mini Tool Box (fs) Easy to use--attaches quickly to most common windows Fast and easy to deploy with anti-slip rungs Ready for use--no tools or assembly required Strong and durable ladder tested to 1,000 pounds 13 feet long by 1 foot wide; 5-year limited warranty