Onyx Gemstone with Rivet Etch Detail Sterling Silver Cufflinks & Tuxedo Studs. Our bestselling classic-style formal set, these handsome cufflinks and tuxedo studs are versatile and elegant enough for all black-tie affairs, from weddings to premieres to galas. Each piece features delicately engraved rivets surrounding carefully inlaid black onyx. Handmade with 925 sterling silver with Onyx Gemstone Inlay Anti-tarnish rhodium finish that makes for lasting wear Also available in Mother of Pearl Packaged in black lacquered wood display box & a velour gifting & travel pouch Style # CLSS1507B