Blackjack 480 4″ Black Small Diameter Refills
- Manufactured using 6 strands of high-tensile fibers
- Many competitors use cotton or polyester fiber and with as fewer strands
- Each BlackJack strand of fiber is individually impregnated with live butyl rubber
- Developed using carbon black, giving the repair its black color, making the repair almost invisible in the tire
- Conform to the size and shape of the injury, sealing out moisture and dirt, eliminating stress to the belts and preserving the tire integrity
- A PERMANENT repair
- Small diameter repairs are approximately 3/16" (4.8 mm)
- Large diameter repairs are approximately 1/4" (6.4 mm)
- Shelf life is over 20 years
