Product details:

Men's Onyx And Brass Shirt Studs - Metallic - Cufflinks Add a dash of the debonair to that very special ensemle with Onyx Brass Shirt Studs. The round stud set includes four shirt studs and comes neatly packed in a gift box. Flat, round black onyx stones at the center. Silver brass setting. Flat-back design. Measurements: Width: 3 7 in Height: 3 7 in Weight: 0.1 oz.