The RPF1 Center Cap by Enkei is designed for 16"", 17"", and 18"" wheels, with a set of 4 caps included. Manufactured for easy installation and car wash safe use, these silver center caps are perfect for adding a sleek look to your vehicle. With an inside diameter of 17 inches, these caps can be placed on the front, rear, left, or right side of your vehicle for a seamless fit. Perfect for those looking to customize their wheels with a high-quality and durable center cap solution.