• Heavy duty die cast aluminum grease gun head
• Grease gun head fitted with automatic air bleeder
• Large diameter piston for working in cold
• Built-In variable stroke for greasing fittings with limited access
• Includes 6" bent steel extension, easy access 24" high pressure hose and 3 jaw slim coupler
• 10,000 PSI
• For use with 14 oz. grease cartridge