The Zimmermann Brake Kit - Rear - 138831 is a comprehensive kit of products designed for the maintenance and repair of a car's rear brakes. It includes a variety of components that work together to ensure safe and efficient braking performance. These components include brake pads, rotors, and possibly other necessary hardware such as clips, shims, and sensors. The specific contents of the kit may vary, but they are all designed to fit and function seamlessly with a car's rear braking system. This kit is an ideal solution for those looking for a complete and convenient package to service their car's rear brakes.