Material: The wheel spacer is made of aluminum alloy, a material with high hardness and good durability. The surface of the spacer is smooth and not easily deformed or broken. Good Design: The wheel spacer is designed to increase the offset by a few millimeters, which can widen your car's wheelbase, improving grip, handling, and precision. Applications: The wheel spacers are suitable for 4- or 5-stud wheel mounting. They are perfect for preventing tires from rubbing against the body. Friction Reduction: This rim spacer is intended for professional use and can effectively prevent tires from rubbing against your body.