The Zimmermann Brake Kit - Rear - 138454 is a comprehensive kit of products designed to service the rear brakes of a car. It includes various high-quality components that work together to ensure safe and efficient braking performance. The kit is suitable for a wide range of car models and provides all the necessary parts for a complete brake overhaul. The contents of the kit include brake pads, brake rotors, and brake hardware. The brake pads are responsible for creating friction against the rotors, while the rotors are the discs that the pads press against to slow down the car. The brake hardware includes various small parts such as clips, pins, and shims that help to keep the brake system functioning smoothly. Together, these components work to provide reliable and responsive braking, ensuring the safety of the vehicle and its occupants.