It use for steel rope tightening, can extend.Easy to operate, the long of length of the rope make tighten easliy,wire rope winch Type:SJS-2 ,the rated load:441KN;Weight:13kg; the diameter of the rope:9.5mm, the length of the rope:20meterType:Sjs-3,rated load:less than 441KN, weight: 16kg,the steel rope diameter:14mm, the length of the rope:15meter Steel rope hoist(Tirfor) wire rope w inch