Simple and classy, the Onyx Stacked Cylinder Cufflinks have a sophisticated and glossy finish and bring to your cuffs an undeniable charm. This set of cufflinks features a glossy finish and a bullet back closure, making it not only classy in design, but also practical to use. Moreover, the bullet back closure is the simplest method used to secure a cuff. A semi-precious gemstone, the onyx is used to top this pair of cufflinks. This is enhanced by the flawless stainless steel body. You need to simply turn the cuff and insert it into the buttonhole for a secure fit. Get this stylish accessory and give your outfit a classy boost. Approximately 5/8\" diameter.