Grade 100 chain assembly is another popular product for chain lovers among towing truck drivers for its rugged and high strength application that the chain assembly can take. Towing Parts Outlet is proud to be one of the largest distributor of grade 100 chain assembly products for towing truck drivers and towing companies. The steel used for Towing parts outlet grade 100 chain assembly is specially treated to provide the ultimate tensile strength about two times that of normal steel chain. Heat treatment during manufacturing process makes our grade 100 chain assembly extra high strength to ensure the safety that towing requires. Towing truck requirement is so severe that only higher grade chain assembly can give you a peace of mind and safety. Be sure to follow work load limit.