Black captive bead ring, 12 ga
Shown: 14mm captive ring with 6mm ball.
Quotes from Piercing FAQ
Platinum and metals in the platinum group such as Palladium are completely inert, making them excellent choices for body jewelry (barring alloys). However, platinum is economically impractical for most manufacturers and consumers. Platinum is also very heavy which may make it an inappropriate choice for some piercings.
Palladium gold alloys is similar to 18k gold in cost.
Rings and Barbells
Studs & Screws
Retainers & Expanders