Meet the toughest grease guns around. Plews/LubriMatic grease guns are constructed of heavy duty steel and finished in rugged baked enamel or tough zinc plate. Small, versatile gun allows for front or top pipe placement. Barrel takes 3 oz. grease cartridge or can be suction loaded. Includes push lock plunger, die cast T-handle that locks in place for loading, lock plunger, die cast T-handle that locks in place for loading, 5-1/2" straight grease pipe, standard-duty coupler and 3 oz. cartridge of LubriMatic grease. Develops up to 4,500 psi.With LubriMatic Marine Corrosion Control and Trailer Wheel Bearing Grease.