This Package Comes With 6 Pieces Of Jewelry.Included Is 2 Captive Bead Rings, 2 Circular Barbells With 4MM Ball Ends & 2 Twisted Circular Barbells Loops With 3mm Ball Ends.Each Ring Is 16G With A 5/16 (8 MM) Diameter.Captive Bead Ring Ball Size: 3mmCircular Barbell With Ball End Size: 4mmTwisted Circular Barbell With Round Ball Size: 3mmAnodized For Long-Lasting Color And Durability.Made Of 316L Surgical Steel.