The cufflinks are completed with secure winged backs The cufflinks are crafted from 17.1 grams of polished (shiny) surgical stainless steel (grade 316L). The width is 916 (14.3mm) and the length is 78 (22mm). These sleek and contemporary stainless steel cufflinks are perfect for everyday wear. Cufflinks: Men's Stainless Steel Cufflinks