With the Tuff Jug, Ripper Cap and Adaptor, it can be used for every application needed! The Adaptor is designed to snap on and off of the Ripper Cap, with an instruction label on it for proper use. It works great for race, KTM's, Karts, Marine, Lawn mowers to your Automobile. For smaller neck applications. Snaps onto Ripper Cap. Does not auto-shut off.