Works with diesel compression tester ATD-5560, and more. A nice addition to a diesel compression test set. Applications include: Bedford, Fiat Allis, Ford, International Harvester, JI Case models not using pencil nozzle, John Deere, Mack Truck, Perkins / Massey Ferguson, Mitsubishi-Fuso medium, Onan, Scania, White Farm and Wisconsin. Packaged in a vinyl pouch. Made in the USA.