Nose Piercing Screw - 4-pack Genuine Opalite Gem 20ga 316L Surgical Steel Sold as a 4 pack! - an incredible value Features a bezel-set Genuine Opal stone Shaft measures 20ga(.08 mm) with an overall length of 1/4"(6 mm) Made of 316L Surgical Steel - Highest Quality - Perfect for Initial Piercings Ships from the USA by BodyJewelryOnline