The URO Parts Coil Spring Shim - 008705 is a small, thin piece of metal that is designed to be placed between the coil spring and the spring seat in a vehicle's suspension system. It is used to help adjust the height and stiffness of the coil spring, providing support and stability to the vehicle's suspension. This product is made by URO Parts and is designed to fit a variety of vehicle makes and models. It is a durable and reliable solution for improving the performance of a vehicle's suspension system.