The Zimmermann Brake Kit is a comprehensive set of products designed for use on a car's front and rear brakes. It includes six different components: two front brake rotors, two rear brake rotors, two front brake pads, two rear brake pads, two front brake wear sensors, and two rear brake wear sensors. These components work together to provide optimal braking performance and safety for the vehicle. The kit does not specify the brand names of the included products, but rather focuses on the type of products needed for a complete brake service on the car.