Blue crystal flower silver tragus piercing, cartilage earring, conch or helix piercing. 316L surgical steel barbell piercing is 16 gauge with a 1/4" (6mm) or 5/16" (8mm) long post. The bar earring is internally threaded and unscrews from the post. The silver flower has a blue crystal center gem. All orders arrive in a gift box. Choose your color bead, which slides over the post and can be worn with or without the bead.