Tamiya Grade-Up Parts Series TAMIYA 4WD MINI TUNE UP PARTS Aluminum Roller Set 19mm 15464 If you have a preferred color, feel free to ask. It is also possible to change from the 19mm aluminum roller to a 19mm plastic ring of the same shape. In that case, please contact us before purchasing. These are genuine Tamiya products that have been processed. Parts originally included, such as bearings and screws other than the rollers, are included. Processed using an Ookuma high-precision machining center. Shipping will be via Yu-Packet Post. Please note that we cannot be held responsible for any accidents during shipping. Due to work commitments, shipping will be on weekdays. For multiple purchases, shipping via Sagawa is also possible. In that case, please specify the desired quantity in the question. These are individually made products utilizing my work experience. We ask for your understanding. The item has been opened once and only the product has been taken out and repacked, so please consider it as a used item. Processing may cause fine scratches, but we handle them with the utmost care. Please understand that these are individually made products and we do not accept claims or returns. If you have any requests for your own original shapes, please ask in the questions. We will do our best to accommodate your desired design. Thank you.