BodyJewelryOnline Labret Monroe Piercing Barbell Combo Pack - 12 Gauge - 316L Surgical Steel Sold as a Pair Features a 6 mm top ball. One with a CZ gem and one without. Shaft measures 12ga thick with an overall length of 3/8"(10 mm) Autoclave safe - perfect for initial piercings  Made of 316L surgical steel - highest quality Sold and Shipped by BodyJewelryOnline