Grease up your machinery without getting your hands dirty with the ABN Automotive and Marine Grease Gun Kit. Use this 3 oz grease gun kit as an automotive grease gun, tractor grease gun, boat trailer grease gun, camper grease gun, and chassis lube gun. Place the included 3-ounce grease lubricant cartridge inside your auto grease gun. Then attach the 4-inch extender to greaser gun before attaching the 5.9-inch metal pipe or 10.8-inch flex grease gun hose. 4 jaw grease gun coupler nozzles fit both grease fittings. Premium materials, O-ring seal, and thick threads ensure maximum durability and help prevent leakage, while the unique pistol design and varying grease gun accessories provide optimal versatility to access even those hard-to-reach places. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.