The Zimmermann Brake Kit - Rear - 138425 is a comprehensive kit of products designed for the maintenance and repair of a car's rear brakes. It includes four separate components, each designed to work together to ensure optimal performance and safety of the vehicle's braking system. The contents of the kit include a set of brake pads, a pair of brake rotors, a set of brake calipers, and all necessary hardware and accessories for installation. These components are specifically designed for use on the rear brakes of a car, and are not limited to a specific brand or model. This kit provides a convenient and cost-effective solution for those in need of a complete brake system overhaul or replacement.