Grease Filler Pump, Grease Pump Operation Lever, Fits Container Size 35 lb 5 gal, Volume per Stroke 2.13 oz, Grease Type NLGI 1 and 2, Application Enables Efficient Bulk Loading of Grease Guns with the Use of a Filler Nipple Port, Includes Dust Cover for Loader Nipple, Metal Follower Plate, Pail Cover