1.Aluminium alloy soft ladder 2.Fire and water proof. ... emergency situation(mainly fire).Aluminium alloy soft ladder has some strongpoints compare to rope ladder. Light, fireproof and ... one third of that of rope ladder.2. SpecificationsThree main parts: aluminium alloy rung, steel wire, hook ... however you can match a versatile clamp with each ladder.Standard load≥ 4500NMax load6500NLength5m, 7m, 10m, 13m ...