1.Material:Brass and Nylon 2.Negative pressure up to 635mmHg 3.Color:Red 4.Package:Blow molded hard case ... pressure gauge:0-30inHg,0-760mmHg.5.Negative pressure up to 635mmHg.6.Release valve.7.Include the parts of brake ... ,to be widely used in auto repair,leak tests,experiments,vacuum packaging and so on. Brass, Negative pressure, Brake Bleeder Kit,Auto repair tools ...