Tamiya Lightweight 13mm All Aluminum Bearing Rollers (Black) 2 sets, genuine product. Thank you for viewing. ● Other Notes: Please check the photos and understand the condition of the package before purchasing, although it is not a used item. If you purchase multiple Mini 4WD parts together, you will receive a 200 yen discount for each additional item! Example: 2 items purchased together for a total discount of 200 yen, 3 items for a total discount of 400 yen.