The Crankbrothers Cigar Tool is a compact tubeless tire repair kit with CO2 adaptor.Crankbrothers Cigar Tool HighlightsAluminum storage case with threaded top cap for CO2.CO2 cartridge screws directly into the plunger tool, doubling as storage and a handle.Comes with Klic CO2 cartridge adaptor (presta only) to allow use of CO2 (CO2 sold separately).Bottle cage bracket to mount the tool directly to the bike frame.Tire plugs (5) included