Internally Threaded Prong Set CZ 316L Surgica Steel Extra Long Sizes Labret Cheek Piercing. Gauge/Thickness: 16g (1.2mm). Threading: Internally threaded. 1-1/8" (28mm) is used for the thick-skinned or piercing procedure (you need it long for when the skin swells up) or excessive swelling.
eBay