This is a high polish solid TITANIUM 6ALV-ELI (Grade 23) IMPLANT GRADE nose screw with a 2mm press fit cubic zirconia jewel in your choice of green, clear, blue, purple, pink, red, light blue, or black. This nose piercing body jewelry is designed to universally fit anyone. The size is available in 18 gauge. The entire piece is nickel free. We use Ti-6AL4V-ELi ASTM F-136(Grade 23) *IMPLANT GRADE* titanium in all of our Titanium Body Jewelry.