Onyx insets capture the look of luxe for your formal wear. Silver and Onyx Stud Set is a simple, yet refined way to lend sophistication and class to your tux. Stud set features 2 cufflinks and 4 studs for a suitable way to dress up. Stud Set comes with 2 Ox & Bull Trading Co. boxes, one for your cufflinks and another for your studs. Stud set by Ox & Bull Trading Co.