Brand Name: First Alert
*Maximum Ladder Height: 24 ft.
*Material: Steel
*Product Type: Fire Escape Ladder
*Capacity: 350 lb.
*Weather Resistant: Yes
*Nonslip Tread: Yes
*Twin Steps: No
*Number of Steps: 21
*OSHA Compliant: Yes
*CSA Listed: No
*Rung or Step Depth: 1 in.