Biltek Portable 5 Gallon 20L Air Operated Grease Pump with 20FT High Pressure Hydraulic Hose, 360-degree Swivel Grease Gun, Pneumatic Grease Bucket Pump with Wheels, 50:1 Pressure Ratio. [LARGE 5 GALLON (20L) CAPACITY] Crafted with precision using resilient chromium-vanadium steel, Biltek's Air Grease Pump embodies unparalleled reliability.