Daytona Style Plated Center Cap Hub Cap: This is a center cap for iron chin wheels 4 holes. ■ Product dimensions inner diameter: 2.6 inches (67 mm) inner height: 1.7 inches (43 mm) PCD100 iron chin wheel 4 holes. Made of steel. Nuts are not included. Please tighten and tighten with a torque wrench after installation. It may not be enough to turn with a cross wrench. Customers who do not have a torque wrench, please install it by a professional. The wheel may be scratched when putting on or removing it. Thank you for your understanding. We do not guarantee the installation of all steel wheels. In rare cases, there are cases where the center hub is high and the cap cannot be installed due to interference. If you think the hub is high, please check the dimensions of the hub of your vehicle before purchasing. Please take necessary precautions such as removing parts or stopping riding if it is determined to be dangerous. Although this product is brand new or unused product, it is an external product, so there may be some scratches on shipping.