316L Stainless Steel Tied Knot Horseshoe • Horseshoe / Circular Barbell with Tied Knot Design • Unique design of Tied Knot on each ends of Horseshoe • Versatile jewelry can be worn as Horseshoe; Septum Ring; and many more • Ring Thickness : 16 GA (1.2mm) | 1.2mm • Ring Inner Diameter : 3/8" | 10mm • Knot Size : 4 x 5mm • Material : 316L Stainless Steel; Zinc Alloy