Thank you for viewing! This is handmade, so it is not perfect. Please understand and purchase. The parts are made overseas, so there may be scratches or burrs. Thank you for your understanding. Metal Fittings Changes Surgical stainless steel: ¥50 Surgical stainless steel post: ¥50 Earrings: ¥30 Resin hook, post: ¥20 Resin non-hole earrings: ¥30 Depending on the design, surgical stainless steel posts may be used from the beginning. In that case, there is no additional charge. Please let me know if you have any other requests. Please comment before purchasing (⁎ᴗ͈ˬᴗ͈⁎) Please note that nickel-free and surgical stainless steel may not necessarily prevent allergies for everyone, so please purchase at your own risk. Please comment if you have any questions. Shipping is basically by regular mail. If you are in a hurry, it will be shipped by Nekopos, but it will be an additional ¥80. Example: ¥600 (without metal fitting changes) + ¥80 = ¥680 Purchases of 2 or more sets will automatically be shipped by Nekopos. There is no additional charge. There is also a discount for multiple items. 50% off from the second item purchased.