Thank you for viewing. *If purchasing multiple items, we will combine them. Please comment before purchasing. We will discount 100 yen for each additional item to cover shipping costs. This is a set of two black Mini 4WD Lightweight 2-Stage Aluminum Bearing Rollers, 13-12mm. They are new and unused. Please note that these are aftermarket parts. 1 set (2 pieces): 600 yen Shipping: 100 yen We have multiple in stock, so please comment if you need more than one set. Shipping is a flat rate of 100 yen even if you purchase multiple sets. Mini 4WD Tamiya Tamiya 2-Stage Aluminum Roller Lightweight