Aluminium cylinder and cylinder head.                                    

Replaceable O-ring cylinder head gasket,rubber piston ring and valves.                                                                               

The body was the switch to control two kinds of pressure conditions.

Pressure range:positive pressure.0 to 3inHg;negative pressure.0 to -1inHg.                                      

The pressure gauge is encased in a rugged rubber boot which provides protection for both gauge(to insure accuracy) and vehicle surfaces.Include the parts of brake bleeder,easily bleed brakes by yourself. 

Detailed English/German/Spanish instruction manual.

Blow molded hard case.                                                          

The standard configuration contains a vacuum tube,a pressure gauge,a brake fluid reservoir and pipe joints,to be widely used in auto repair,leak tests,experiments,vacuum packaging and so on.