This titanium hammer stud boasts a unique and lovely design, shaped like a hammer. With its durable titanium construction, it adds a touch of interest to any outfit. 🔨 -Material: ASTM F-136 implant-grade titaniumFinish: Gold = 18K-gold-tone PVD coating (vacuum-bonded, durable, won't easily fade); Silver = natural titanium, bare metal with no coating. -Nickel free and sensitive skin friendly. -Gauge: 16g | 1.2mm-Post length: 8mm -Dimensions: 6.9mm Length x 4.4mm Width-Include: single item -Screw diameter: 0.8mm -Closure: internally threaded flat back Available to be customized post length 6mm,8mm,or 10mm. Leave an order note for the customization request (not extra cost). * Piercings are sold individually for layering purposes. Sold individually. Mix and match the pieces for a unique layered look.