Barbell Material: Stainless Steel Top Head Material: Copper with zircon Barbell Length: 6 mm Barbell Thickness(Gauge): 1.2 mm(16 Gauge) quantity: Sold by 1 piece Choose Style: silver-#1/silver-#2/silver-#3/silver-#4/silver-#5/silver-#6/gold-#1/gold-#2/gold-#3/gold-#4/gold-#5/gold-#6 They are all available 7uanX #earrings #upperlobepiercing #helixpiercing #stainlesssteel #16gauge