Blackjack RE-450 4" Tire Repair Refill Plugs (50-Pack)

The Blackjack RE-450 large diameter tire repair plugs are professional-grade refills manufactured using twelve strands of high-tensile fibers, with each strand individually impregnated with live butyl rubber. These large diameter repairs measure approximately 1/4 inch (6.4 mm) in diameter, making them ideal for repairing larger punctures in passenger vehicle, light truck, and commercial tires.

Key Features:

• Carbon black compound gives the repair its black color, making it almost invisible in the tire
• Conforms to the size and shape of the injury, sealing out moisture and dirt while eliminating stress to the belts
• Creates a permanent repair that maintains tire integrity
• Shelf life exceeding 20 years for long-term storage
• Box contains 50 individual 4-inch tire repair plugs

Superior construction compared to competitors who use cotton or polyester fiber with as few as seven strands. These self-vulcanizing tire repair inserts are essential refills for professional tire shops, automotive service centers, and mobile repair operations.