Tapered aluminum roller set for Mini 4WD PRO, 13-12mm size, set of 2. - Brand: TAMIYA - Product Name: Tapered Aluminum Roller Set - Size: 13-12mm - Quantity: Set of 2 - Compatible Models: Mini 4WD PRO #️⃣ Although this is a new, unopened item, it is an older product, so the outer packaging shows signs of aging. A security sticker is affixed to the back. Thank you for viewing.