Body Candy Handcrafted Nose Stud to Ear Tube Chain Created with Swarovski Crystals 20 Gauge 5/16" Gauge size 20 gauge; .8 millimeters 5/16 inch; 8 millimeter barbell length Made with durable 316L stainless steel rings Approximately 6 inch length chain with tube accents Hand assembled in the USA; created using Swarovski crystals