The Zimmermann Brake Kit - Rear - 138479 is a comprehensive kit of products designed for use in a car's rear braking system. It includes various components that are essential for maintaining and improving the performance of the brakes. The kit includes three objects, which could potentially be brake pads, brake rotors, and brake calipers. The specific types of these components are not specified, as the kit is compatible with multiple car models and brands. This kit is designed to provide all the necessary parts for a complete rear brake replacement or upgrade, ensuring optimal braking performance and safety for the vehicle. It is a convenient and cost-effective solution for car owners looking to maintain or enhance their vehicle's braking system.