16g Low Profile Internally Threaded End with Prong Set Round CZ Ends 12.7mm ~1/2" Placed on the flat cartilage

Placed on the flat cartilage area of the upper ear

As a rule of thumb

Size: 16g - 1

Titanium Threadless 3-Cluster Marquise with Clear Round CZ Fan Shape Top

So if you find this product on a webshop for sale

16g Low Profile Internally Threaded End with Prong Set Round CZ Ends 12.7mm ~1/2" Placed on the flat cartilage16g Low Profile Titanium Internally Threaded with Prong Set Round 3A 5A CZ Top. M0. 9 16g fits Internally Threaded Jewelry. Manufactured from High Polish Implant Grade Titanium (Ti 6AL 4V ELI ASTM F136). Size: 2, 2. 5, 3 and 4mm Threaded: Internal 0. 9mm Material: Implant Grade Titanium (Ti 6AL 4V ELI ASTM F136) Material Gem: Cubic Zirconia