JOVIVI 2pc Stainless Steel Sea Turtle Cartilage Helix Stud Earrings 16 Gauge 5/16" Gauge size 16 gauge; 1.2 millimeters 316L stainless steel post for ear cartilage piercings. Color: Silver. Turtle in 5/16 inch long; 6 millimeter Pin length Cartilage earring can be used for tragus and multiple piercings Qty:2pc/pack. Each order comes with a Free Gift Bag!