This 16G Matte Purple Stainless Steel Circular Barbell is a great option for nipple, ear and septum piercings. Made from 316L stainless steel and featuring 6mm acrylic balls, this barbell is 3/8" (10mm) in length and is sold individually (1pc). Externally threaded for easy insertion and removal, this barbell is a perfect choice for your piercings.