Tamiya Grade-Up Parts Series 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, are included, excluding the rollers themselves. If you have a preferred color scheme, please feel free to ask. 1 color... price + ¥1000 (uncolored) 2 colors (commonly known as double anodizing)... price + ¥1500 (uncolored) Machined using a high-precision Okuma machining center. Lightening calculations were performed using CAE analysis, and weight-reducing holes have been machined. Shipping will be via Yu-Packet Post. Please note that we are not 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 experience gained from work. We appreciate your understanding. The item has been opened once, and only the product has been taken out and repackaged, so please consider it as a used item. Fine scratches may occur during processing, but we handle them with the utmost care. Please understand that these are individually made products, and no claims or returns are accepted. If you have a desired original shape, please inquire. We will do our best to accommodate your desired design. Thank you.