MaterialTypeABS or AluminumOuterDiameter50mm - - - 70mm1. Please verify the Size before Purchase(As the measuring way, there maybe have and-1mm error).2. If you need more photos about the product, please .ItemsIncludedinPurchase:4pcs or LotPleasedon"tleavepicturesinthecommentsection.Pleasedon"tleavepicturesinthecommentsection.Pleasedon"tleavepicturesinthecommentsection.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don""""""""t hesitate to . We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.