When used as a basket hitch, it also nests together better than the Type 3 version. Audits are conducted every year by an independent third-party to ensure manufacturer compliance with the set standards. Nylon Sling, Twisted Eye Type 4, Four Ply, 2 in Web Width, 30 ft Length, 10,000 lb Vertical Capacity When loaded at rated capacity, a nylon sling will typically stretch 6-8%.