This is a 316L surgical steel Can Be Use For Septum tragus or cartilage earring two 4mm ball beads made with cz gems. Available in variety of colors. Size is 16 gauge thickness and inner diameter 8mm (5/16 inch). Item is sold individually. You get one item for the listed price. All our items are shipped within24 hoursof purchase date (excluding holidays and weekends) via USPS First Class Mail. We shipworldwide. All USA shipments areFREE!!!