I've worn this a few times. Please consider purchasing if you understand this. [Product Details Below] An 8mm-wide ring based on a USN ID bracelet. The material is silver 925. The ends are twisted diagonally, just like the bracelet. The design incorporates the manufacturing process before the holes are made. The corners retain their edges for a solid look, and the finish is mirror-polished for a strong shine. Engravings on the ends and the back. [20/80] Twenty Eighty 20/80 TWENTY EIGHTY is a brand that develops bags, leather goods, and lifestyle goods, founded by a designer with experience in select shops. They add soft humor to the masculine feel of the materials. With the concepts of "In the city," "Traveling," and "Functional tools," they propose products that connect history and the present through design, functionality and design born from necessity, and the harmony of form and function, creating new beauty and value over time. Focusing on domestic manufacturing and sewing, the brand's appeal lies in its uncompromising quality and design.