BodyJ4You Septum Piercing Clicker Pave Gems 16G;

Diameter:
16 Gauge (1.2mm), 7/16"(11mm)
Bar Length: 8mm
Inside: W:10.8mm, H:11mm
Whole: W:16mm, H:14.5mm
When shopping for a septum piercing, remember to look over Piercing Size Chart to make sure you understand what the measurements actually mean.
All of these body jewelry measurements, and specifically, all of these septum sizes, are going to help you determine which septum is going to fit and look the best on you.