Tamiya Grade Up Parts Series TAMIYA 4WD MINI TUNE UP PARTS Aluminum Roller Set 13mm 15437, 2-stage 15398 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. These were processed using a high-precision Okuma machining center. Shipping will be via Yu-Packet Mini. Please note that we are not responsible for any accidents during shipping. Due to work commitments, shipping will be on weekdays. Multiple purchases are also possible. In that case, please inquire about the desired quantity, etc. We will offer a discount for bulk purchases. These are individually made items, utilizing experience gained from work. We appreciate your understanding. Please consider these as used items, as they have been opened once to remove the parts and then repackaged. Fine scratches may occur during processing, but we handle them with the utmost care. Please understand that these are individually made items and accept them with no claims and no returns. If you would like a custom, one-off shaped roller, please inquire.