Silver 10x3x2.5mm Hole: 1mm Inner diameter: 2.5mm Surgical stainless steel has advantages such as being less likely to cause allergies, being durable, being scratch-resistant, being easy to clean, and not rusting or discoloring. I also have various other parts for sale. Please take a look (＾∇＾) If you purchase several 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. We are not responsible for loss or damage after shipping, so please understand. These are imported goods. There may be small scratches, scuffs, chips, burrs, color unevenness, and irregularities in shape. Please refrain from purchasing if you are sensitive to these issues.