Zinc alloy Size: Approximately 2.5cm All products are free shipping (price includes shipping). You can purchase immediately without commenting. We usually ship via regular mail from Sapporo within 3 business days after payment is received. Shipping is done on Mondays, Wednesdays, and Fridays, excluding holidays. We are closed on Tuesdays, Thursdays, Saturdays, Sundays, and holidays. (We cannot respond to questions or transaction messages during these days) Delivery is expected to arrive 3-4 business days after shipment, excluding weekends and holidays. There is no tracking number. If you are not home and the item doesn't fit in your mailbox, a notice from Japan Post will be left, and the item will be held at your local post office for one week. Please check the notice and request redelivery from Japan Post. If you can't find the notice, please contact your local post office before the storage period expires. We are sorry, but we do not accept price negotiations. Please understand that all items listed are not subject to price reduction. If there are comments requesting unreasonable price reductions, we will block the user. If multiple purchases can be shipped together, we will ship them together as much as possible, but we will not offer a discount in that case either. Also, we do not accept requests for additional images.