The Zimmermann Brake Kit - Front/Rear - 138589 is a comprehensive kit of products designed for a car's braking system. It includes a variety of essential components needed for both the front and rear brakes. The kit contains six objects, including brake pads, rotors, calipers, and other necessary hardware. These components work together to ensure efficient and safe braking for the vehicle. The kit does not specify the brand names of the contents, but rather includes general types of products needed for a car's brake system. This kit is suitable for general maintenance and repair of a car's brakes, and it does not reference any specific brand or model of car.