Emergency Escape Ladder For Maximum Window Thickness 11 in For Minimum Window Width 16 in Load Capacity 1 000 lb Number of Stories 2 Overall Length 13 ft Features Anti-Slip Rungs Attaches to Most Common Windows No Tools or Assembly Required Tangle Free Includes Window Mount Manufacturer Warranty Length 5 yr Mount Type Attachment Hooks Overall Width 8 1/4 in Rail Material Nylon Step Material Metal