Lumax LX-1152 Black Heavy Duty Deluxe Pistol Grease Gun with 18" Flex Hose Heavy duty cast head develops up to 7,000 PSI (480 bar) Three way loading by using cartridge, suction or grease pump Equipped with air bleeder valve to vent air pockets Heavy 18 gauge steel barrel assures durability Follower rod lock prevents accidental discharge