Dimensions for aluminum wheels. Size may vary. Please secure with double-sided tape or similar before driving. This is a modified product of a Tamiya genuine part. Shipping will be via Yu-Packet Post Mini. Items will be shipped from the purchase date to Sunday of each week. The next estimated shipping date is listed in the nickname section. Please confirm before purchasing. Same-day shipping is not possible. Tracking information may not be reflected until the next day due to post office drop-off. Please refrain from purchasing if you are sensitive to imperfections, as this is a handmade product. Thank you.