The Zimmermann Brake Kit - Rear - 138675 is a comprehensive kit designed to provide all the necessary components for a rear brake replacement on a car. It includes three different products, which are essential for ensuring safe and efficient braking performance. The kit includes a set of brake pads, brake rotors, and brake calipers. These components work together to create the necessary friction and pressure to slow down or stop the vehicle. The brake pads are made of a high-quality material that is designed to withstand high temperatures and provide long-lasting performance. The brake rotors are the discs that the brake pads press against to create friction and slow down the vehicle. The brake calipers are the part of the braking system that holds the brake pads and applies pressure to the rotors. This kit is specifically designed for the rear brakes of a car and can help improve overall braking performance and safety.