PiercingJ 2-6pcs 16G Stainless Steel Double Heart Chain Helix Cartilage Studs Barbell Earrings Material: Surgical Stainless Steel Gauge:16G (1.2mm); Pin length:6mm; Chain length:30mm Heart size:5*6mm; Ball diameter:4mm. Quantity: 1 pair Two 316L Surgical Steel Barbells for top Helix and Lobe connected by the stainless steel chain hearts at the ends. .