BodySparkle Body Jewelry Blue Decadence Cartilage Earring Straight Barbell-18g-16g-Right or Left-Steel Helix Piercing Barbell Cartilage Ear Barbell Available for Left or Right ear and in 18 gauge or 16 gauge. Choose size and style from menu above 1/4 inch (6mm) barbell See our entire collection of blue cartilage earrings in 16 gauge earrings. 316L Surgical Stainless Steel barbell externally threaded