TITLSDG15 Dagger with Bat Wing Flatback Stud Earring / Nosering - Titanium. Size: 3.6mm (L) x 1.6mm (W) x 1.6mm (THK). This Threadless Flatback Stud Earring is made from Implant Grade Titanium TI-6AL-4V ELI ASTM F136 with 25g durable Titanium Pin designed to be practical and easy to use. Fitting all sizes of pins and bases in our threadles...