Bleeding brakes can be a time consuming task without the right tools. The Powerbuilt Master Cylinder Adapter Set was designed for brake bleeding operations on many popular import vehicles. Use it with almost any pressure-bleeding brake tool and get this vital service done right the first time. The adapter set includes the following adapters: universal adapter, BC-06, BC-18, BC-19, BC-21, BC-25, BC-26, and BC-27. This nine piece set comes in its own hard carry case keeping the adapters protected and organized. Professionally written instructions and photos guide the user through the step-by-step process and are attached to the hard case so they are always on hand. All Powerbuilt tools meet or exceed ANSI standards.