Gauge - 16g

3/8'' (10mm)Sold in Singleshigh quality surgical steel with beautiful hinge fit all solid steel no brass or alloy

12mmSize - 3mm

5mm there is a groove for it to sit so the back stays in place

A soft cloth or a soft toothbrush will work

Amethyst CZ 16G Daith/Septum Implant Titanium Clicker titanium earrings Gauge - 16gA beautiful titanium clicker lined with bright sparkling light and dark Amethyst CZ stones, this pretty hinged clicker hoop will make any piercing look gorgeous, ideal for Daith and Septum, stacked lobe Item Details Sold in Singles Perfect for Various Piercings Septum, Helix, Daith Materials ASTM F136 Titanium, Cubic Zirconia stones Hoop Size inner 8mm (5 16") Hoop Gauge (Thickness) 16g (1. 2mm). Please check your measurements before Purchase!