ITEMLENGTH(m)TENSILE STRENGTH(ton)PCS/CTNTTR4040-OY4420This product is mainly composed of PP material such as PE,including 45# steel hook, the elastic force for 4 tons of 4 metres. Advantange: Wire rope to the trailer and potential threat to people.With PP material, safer.lighter And our 2000KG above trailer rope through GS,maximun yield to avoid rope drag and physical demage , Rally premise products to ensure a certain degree of elongation.