Sterling Silver Nose Ring Endless Textured, Hammered Hoop. Customize this hoop by diameter and gauge for a perfect and comfortable fit. All texturing and hammering is done by hand, and gives a subtle sparkly appearance. The larger the gauge the more prominent the texturing is All of our jewelry is nickel free All hoops are formed, molded and hammered by hand 24 gauge is a barely there thin look 22 gauge is slightly thicker but still a nice thin look, 21 gauge is a nice in between size, 20 gauge is a a standard size, medium thickness, 18 gauge is a thick look for larger size piercings and a bolder look. Nose rings are available in 24, 22, 21, 20 and 18 gauges and diameters 6mm, 7mm, 8mm, 9mm, 10mm