Product Details Micro Gem Titanium Hinged Double Nose Hoop Available in Sizes:18 Gauge and 20 Gauge with Diameter Sizes of 8mm (5/16") and 3/8" (10mm)Rock out your piercings in twice the style with this 18 gauge Double Hoop Nose Ring. Only one piercing is required for this double nose piercing ring. It is made with a ASTM F-136 titanium implant grade hinged circular ring. This hoop nose ring features a double row of hoops paved with dazzling forward facing cubic zirconia gemstones for total glamour.It also features a non-removable, hinged segment that makes insertion and removal a breeze and you can rock it in multiple piercings including some tragus, some helix, and some conch piercings.Get ready to rock the look of a double piercing with a single piercing ring.ASTM F136 Implant Grade Titanium Hinged Circular Ring (Hypoallergenic Nose Ring) Specifications 18 Gauge (1mm) and 20 Gauge (.8mm)3/8" (10mm) and 5/16" (8mm)ASTM F136 Implant Grade Titanium Hinged Circular Ring, Cubic Zirconia