18KGP Real Gold Plated Gold 10x3x2.5mm Hole: 1mm Inner Diameter: 2.5mm Surgical stainless steel has advantages such as being hypoallergenic, durable, scratch-resistant, easy to clean, and resistant to rust and discoloration. I have various other parts for sale as well. Please take a look (＾∇＾) If you purchase multiple items, please comment before purchasing. We offer combined shipping discounts. Combined Shipping Discount 2 items: 50 yen off 3 items: 60 yen off 4 items: 70 yen off 5 or more items: 100 yen off Packaging is simple and may use recycled materials.