Used for nail hole injuries (up to 1/4 in. in passenger and 3/8 in. in truck tires), in all types of tires (tube type or tubeless, radial or bias, with or without steel belting). Heavier construction, reinforced with double thick rubber and a black tough gum base to insure solid strong bond to the tire. Used to repair all types of tires: tube or tubeless, radial or bias, with or without steel belting. Sold as each.