Dual Action Repair for Tubeless (DART) system offers a better way to fix damaged tubeless tires. Specially treated DARTs dont just plug large slices and punctures in your tires, they react with Stans sealant to form a permanent airtight bond. This Refill kit contains five DARTs and a carrier that makes reloading your DART Tool fast and easy, all stored in a compact, sealed container. Includes 5 DART Refills (required DART Tool not included) Reacts with Stans sealant to form an instant, airtight seal New woven, laser-cut material will not fray or pull out when riding New sonically welded reinforced plastic tip for added strength Wears off clean, no trimming needed, and can not be felt while riding, even on road tires Includes sealed container and carrier rack for fast and easy reloads In designing the DART, we took a long look at existing plug technology and found many ways to make major improvements. Unlike large, sharp insertion tools and rubber plugs that can damage rim tape and f