Brake Pressure BleederNOTE: MASTER CYLINDER RESERVOIR ADAPTERS SOLD SEPARATELY. "Works fantastic! Should've bought years ago. Makes doing brakes yourself that much easier". Blake S. When some jerk cuts you off in traffic, you need to know your brakes are going to work well for you and your family. That's why regular maintenance like bleeding your brakes is so important. But the professional service can be costly and time consuming. And a small part of you always wonders