Star Brite® Grease Gun with 3 oz wheel bearing grease cartridge. 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