Lumax Heavy Duty Deluxe Pistol Grease Gun rigid spout RAM double acting grease pumps 1.75 Inch Cutter Planer RAM double acting grease pumps reduce line pulsation and allow lower operating pressure it removes the grease remaining on the walls down to the bottom of the drums 3 millimeter) with a heavy duty follower spring for consistent priming and a posi lock follower rod with ergonomically designed T handle which provides a sure handed grip and easy filling at any position while the tough follower offers a superior seal and eliminates grease bypass Lumax LX 1152 Black Heavy Duty Deluxe Pistol Grease Gun with 18" Flex Hose