Hand operated vacuum pump

1.Aluminium cylinder and cylinder head. 2.Replaceable O-ring cylinder head gasket,rubber piston ring and valves. 3.The body was the switch to control two kinds of pressure conditions. Pressure range:positive pressure.0 to 3inHg;negative pressure.0 to -1inHg. 4.The pressure gauge is encased in a rugged rubber boot which provides protection for both gauge(to insure accuracy) and vehicle surfaces. 5.Include the parts of brake bleeder,easily bleed brakes by yourself.Package: Blow molded case Package Size: 63×38×45cm Quantity:10 sets Gross Weight: 20kg Net Weight:18kg