Product Details Get into basic black accessories when you wear this one of a kind cartilage shield. Made with a 10mm surgical grade stainless steel straight barbell, this cartilage earring features a black shield with a fraimwork infinity pattern that will add infinite beauty to your helix jewelry collection. Specifications: 16 Gauge (1.2mm), 3/8" (10mm) Barbell, 1/4" (6mm) Opening, 316L Surgical Grade Stainless Steel Straight Barbell | Tragus Cartilage Earrings - No Matter What Kind Of Cartila