Lumax Brand Grease Gun Heavy-Duty, Deluxe Pistol with 18" Flex Hose. Convenience of one-hand operation for easy greasing. Heavy-duty, LuCast, Cast-Alloy Head with heavier and reinforced wall thickness for extra strength. Develops up to 7,000 PSI (480 Bar). Handy 3-way loading - fill with standard cartridge, suction or bulk fill. Air bleeder valve to release trapped air. Filler nipple with ball check for use with grease filler pump. Chrome plated finish handle for maximum protection against corrosion. Deluxe, oil-resistant, contoured grip for comfort and firm grip. Heavy gauge steel barrel (18 G / 1.3 mm). Wide band, non-slip knurling for sure-grip handling. Tough follower offers superior seal and eliminates grease bypass. Heavy-duty follower spring for consistent priming. Posi-lock follower rod with ergonomically designed T-handle for easy filling at any position. Outputs 4 oz. (115 g) of grease per 100 strokes. WARNING: Do not hold whip hose while pumping the grease gun. Replace damaged whip hose with 4500 PSI (310 Bar) rated hose only.