Enhance your look with our stunning Gemstone Chain Hidden Helix Stud. Made with titanium material, this stud adds a touch of cool and durability to your style. Upgrade your jewelry game with a hidden helix design that is guaranteed to make a statement. Detail： -Material: Titanium -Nickel free and sensitive skin friendly. -Gauge: 16g | 1.2mm-Post length: 8mm -Dimensions: 20.4mm Length x 11.1mm Width-Include: single item -Screw diameter: 0.8mm -Closure: internally threaded flat back -Hidden helix/