The measurements are approximate. The piercing hoop's thickness is 16g/16 gauge (1.2mm), its inner diameter is 10mm (3/8").
The piercing ring is tight after long use. In order to get the daith earring open you need to pull apart the hinge away from the other part.
The piercing hoop could be used in septum piercing and daith piercing.
Made with high quality 316L surgical steel which is top of steel jewelry. Getting the grade of steel usually helps for some people with extremely sensitive skin. Simply wash it with warm water before inserting into your piercing.
Package includes: 1 piece 16 gauge 10mm black hoop.