grease pump, air operated grease pump, pneumatic grease pump, lubricant tools Features: 1) Pressure ratio: 50 : 1, 60:1,65:1 2) Compressed air: 0.5 - 0.7MPa 3) Transmission pressure: 30MPa 4) Grease transmission volume: 0 - 1.0L/min 5) Hose length: 6.2m 6) Bucket volume: 20L, 40L, 50L 7) Bucket weight: 23kg 8) Different sizes, volumes and colors of buckets available 9) Different lengths of hose available 10) Low / high pressure gun matching 11) Handle or pneumatic air operated pump