Barbell Material: Stainless Steel Top head material: Copper with zircon Barbell Thickness(Gauge): 0.8 mm(20 Gauge) Barbell Length: 6 mm Bead Ball Size: 3 mm Quantity: Sold by 1 piece(Single) 7uanX They are all available #earrings #helixpiercing #upperlobepiercing #20gauge #stainlesssteel #crossshape