Stop & Go 1001 Pocket Tire Plugger with CO2 Gives you the ability to perform the most effective repair possible without dismounting your tubeless tire For Motorcycle, ATV, Golf Cart, Small Tractor, Utility Vehicle, or Wheelbarrow you're going to be back in action in just a few minutes; (15) Mushroom Plugs (5/16" diameter shaft x 3/4" length stem); (4) CO2 & Adapter re-inflates tire in an emergency situation; Compact size can be transported easily;