1.Material:Brass and Nylon 2.Negative pressure up to 635mmHg 3.Color:Red 4.Package:Blow molded hard case 1.Brass cylinder and cylinder head.2.Nylon cylinder coverd handle,several colors are available.3.Replaceable cylinder head O-rings,rubber piston ring and valves.4.Precise pressure gauge:0-30inHg,0-760mmHg.5.Negative pressure up to 635mmHg.6.Release valve.7.Include the parts of brake bleeder, ...