Sui U Machinery, Brand SATA, 400CC

⭐FEATURES⭐
- High-low pressure switch,easy to operate
- Patented circulating air bleed valve,ensuring to discharge air in the gun cylinder,making the grease gun operate smootherly
- Patented large-small shaft design,lubricating through switching from high pressure to low pressure and vice versa
- Firstly use high pressure to get through the grease passage

⭐FEATUERS⭐
- High strength pressure zinc alloy steel cast tip 
- High strength heat-treated spring to ensure the pressure lasting and balance.Speicail self-lock device for more safety and convenience
- Special design to add a steel ball inside to ensure the oil does not reflow.