The Genuine Porsche Brake Pad Shim - 96535209601 is a small metal plate that is placed between the brake pad and the brake caliper. It is designed to prevent noise and vibration during braking by providing a smooth surface for the brake pad to slide against. This shim is specifically designed for use in Porsche vehicles and is made from high-quality materials to ensure optimal performance and durability. It is an essential component in the braking system and helps to maintain the overall safety and efficiency of the vehicle.