The Zimmermann Brake Kit - Front/Rear - 138645 is a comprehensive kit of products designed for use on a car's braking system. This kit includes a variety of essential components for both the front and rear brakes, ensuring a complete and thorough brake service. The contents of the kit include brake pads, rotors, calipers, brake lines, and hardware. These components are specifically designed to work together to provide optimal braking performance and safety for the vehicle. The kit does not specify the brand names of the products, but rather focuses on the type of products included, making it compatible with a wide range of car makes and models. With this kit, car owners can easily and efficiently service their brakes, ensuring smooth and reliable braking on the road.