A Smooth Finish. Carefully inlaid black onyx gemstones on 925 sterling silver cufflinks and tuxedo studs in a classic round silhouette are an effortlessly elegant way to elevate any black-tie look. Handmade with 925 sterling silver Genuine onyx gemstone inlay Features an anti-tarnish finish that makes for lasting wear Designed to pass on to generations Available in Mother of Pearl Packaged in black lacquered wood box and velour travel pouch, perfect for gifting and display Style # CLSS078OX Studs can be purchased separately as a set of four or as a single stud