Tamiya Grade-Up Parts Series TAMIYA 4WD MINI TUNE UP PARTS 19mm Aluminum Bearing Rollers with Plastic Rings (Dish Type) 15426 These are genuine Tamiya products that have been modified. Parts originally included, such as bearings and screws, other than the rollers, are included. If you have a preferred color scheme, please feel free to ask. It is also possible to change from 19mm plastic rings to standard 19mm aluminum rollers of the same shape. Machined using a high-precision Okuma 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 inquire with the desired quantity. These are individually made products utilizing my work experience. We appreciate your understanding. Please consider these as used items, as they have been opened once and only the product has been taken out and repacked. Processing may result in minor scratches, but we handle them with the utmost care. Please understand that these are individually made products and accept them with no claims and no returns. If you have any requests for your own original shapes, please inquire. We will do our best to accommodate your desired design. Thank you.