40 - 6 inch large diameter BlackJack Tire repairs are a permanent fix – guaranteed for the life of the tire.
BlackJack Tire Repair kits employ a twelve strand high-tensile fiber which is individually impregnated with live butyl vulcanizing rubber compound. BlackJack tire repairs are made from a durable but soft and malleable which conforms to the size and shape of the tire’s injury which seals out moisture and dirt and eliminates stress to the belts.