1.The piston to squeeze grease is made of special steel by griming technology, and can match the Cylinder closely. Working pressure can reach 4500-10000PSI

2.Application of 2.5mm pitch screw design.

3.The Cylinder applies die-casting steel, three times durable as other average guns.

4.Suitable for bulk loading grease gun.

5.Touch-tone air vent design can empty air inside grease gun