A unisex industrial hexagonal stainless steel ring made of a real hardware nut. A wide, chunky, geometric band with an edge to it. Perfectly smooth inside. The ring is 5/8" (1.6 cm) wide. US sizes available for this width are 11 - 14. Sizes 6 - 10.5 are available here: https://www.etsy.com/listing/101123948 Sizes 4.5 - 5.5 are available here: https://www.etsy.com/listing/464852845 All photos show the ring in US size 11.5. Keep in mind that the smaller the ring size (in this particular size range), the thicker the sides of the ring, and vise versa.