It is a pressure tool which is used to assemble or disassemble engine. It lifts the piston by instilling pressure after connecting the jack with pressure pump. In other words, it is a standard tool which assembles or disassembles by loosening or tightening the nut as stud rises. 

Used Pressure: 900 ~1500 Bar

Composition: Piston, Cylinder, Spacer Ring, Quick Coupling, Sealing Ring W. Back-Up, and so on.