In automotive engineering, the master cylinder is a control device that converts non-hydraulic pressure (commonly from a driver's foot) into hydraulic pressure. This device controls slave cylinders located at the other end of the hydraulic system.
 

It is made out of Original used part, mounted on Duly Powder coated Steel Frame showing details of all components for demonstration purpose.

Note: The Image shown here is indicative only, the Actual product may differ from the Image shown above.