Fibre-Seal Inserts 

Fibre-Seal inserts is a nylon re-inforced rubber insert wrapped with gray chemical cushion gum. The string is designed to repair injuries in bias and radial passenger car, motorcycle, atv, lawn and garden, and light truck tires. Tire Industry recommendations state that all injuries must be filled with a suitable rubber vulcanizing material and reinforced from the inside with a repair unit.