18G 1/4 Inch 6mm Length Grade 23 Solid Titanium Hypoallergenic Screw Nose Ring with CZ Stone 840 Titanium is one of preferred material for primary piercings since it is virtually Nickel Free. Implant Grade (Ti6AL4V ELI) Titanium Nose Ring with press fitted cubic zirconia ball. Finest Cubic Zirconia with best metal makes this Nose Ring one of most desirable product. Titanium also look great for continues wear with it's unique dark metal look.