Stan's DART Refill Kit Description: This is a pack of Stan's No Tubes DART refill plugs for use with their Dual Action Repair for Tubeless (DART) system. Note: This is a pack of refill plugs only, the DART insertion tool is not included. Features: Woven, laser-cut material doesn't fray or pull out while riding Sonically welded reinforced plastic tip adds strength for plug installation Wears off clean and doesn't affect ride quality or feel, even on road tires Includes 6 replacement DARTs in a sealed, minimalist package Important: DARTs should remain sealed within packaging to maintain DART treatment hydration