Mixed Piercing Barbells - 20 Pcs. 8 Gauge and Mixed Lengths - 316L Steel Sold as a 20 pack - an incredible value! Each pack will contain the following: 8 - 12 mm (1/2"), 8 - 10 mm (3/8"), 4 - 22 mm (7/8") All jewelry is autoclave safe - perfect for initial piercings Made of 316L Surgical Steel - Highest Quality Sold and Shipped by BodyJewelryOnline