Performance Mini Grease Gun with Cartridge.. Contains lube gun and 3 oz. cartridge (N.L.G.I. #2) of marine wheel bearing grease. Nozzle can be removed and flexible nozzle # 28800 installed for working in hard to reach fittings. Convenient, one hand application Heavy duty design for years of trouble-free use. For refills, order product number 26003 shown above.