16g Septum Rings Set of 2: 16 Gauge 8mm Gold IP Plated Surgical Steel Spike & Ball Horseshoe Forbidden Body Jewelry septum rings Made with 316L Surgical Steel & IP plating Includes two rings: One double spike horseshoe ring & one double ball horseshoe ring Both rings are 16 gauge and 8 mm (5/16 inch) in diameter - small diameter for close fitting, small septum jewelry 3 mm balls, 3 mm cones (spikes)