... ,13m,16m,19m,etc. 3.it can fold The fire escape ladder is applied for security, it's popular ... , office building, hotel, store, rumpus room etc.,the people in this building may use this ladder to provide ... for and help themselves to escape from fire to avoid damage.Length: 5m(2 ... be made to orderPlease see attached photoes of the product.Believe this will have good prospect in ...