vcmart 16G 10pcs Internally Threaded Labret Lip Monroe Cyber Bites Ring Tragus Helix Earrings Stud Piercing Jewelry (10pcs-silver1)

Internally Threaded Piercing Jewelry
Means this jewelry has ball-ends which screw into the bar.
It is considered to be the best among the variety of high quality body piercing jewelry:
1) The design helps to avoid skin irritation, very comfortable & safe, will protect your delicate skin;
2) Ball-ends won¡¯t scroll into the end of universe, significantly reduce the chance of losing balls;
3) But it is more difficult to manufacture, and the price is a little higher.

Why Choose Implant Grade Surgical Steel Jewelry?
The austenitic stainless steel AISI 316L (ASTM F-138) is widely used for biomedical applications, including both temporary and permanent implants.
It's hypoallergenic, one of the most bio-compatible iron alloys. AISI 316L SS jewelry is popular among those who may have metal allergies.
It won't rust or stain with sweat or water as ordinary steel does, it is be very durable.
And AISI 316L SS is much affordable for most people.
All these features make it a top popular metal to complement your jewelry box.