• High output grease gun for heavy volume and frequent use
• Dual piston design for 3 times the output of grease per stroke
• 6,000 psi / 413 BAR
• Air bleeder valve
• Bulk filler fitting
• 12" flexible hose and 6" steel extension with professional 4-jaw coupler
• Built tough with aluminum die-cast head
• Rolled threads for fast and easy reloading
• For use with 14 oz. grease cartridge, suction or bulk grease
• 12 strokes per ounce