OTC Tools For International trucks. These two rope style nylon lifting slings, when used in combination with the ZTSE4819 ProStar Undecking Tool Kit, have been designed to allow the safe undecking of the International ProStar class 8 tractor. These straps have been approved and rated to 10,600 lbs. per strap. As with all lifting equipment, regular safety inspection is required. Email for product availability.