1. Plastic cylinder and cylinder head. 2. Replaceable O-ring cylinder head gasket, rubber piston ring and valves. 3. Precise pressure gauge: 0-30inHg, 0-760mmHg 4. Include the parts of brake bleeder. 5. Release valve 6. Negative pressure up to 635mmHg 7. Detailed English instruction manual 8. Blow molded hard case