This red CZ steel stainless circular barbell is made of 316L stainless steel and features two red CZ gems. It comes in two sizes, 16G and 14G, with inner diameter sizes of 3/8" (10mm) and 1/2" (12mm) respectively. The ball sizes can be 4mm or 5mm. It is externally threaded and is designed for healed piercings. Perfect for adding a touch of sparkle.