Okones 4pcs Round&Oval Silver Tuxedo Cufflinks Studs Cufflinks Buttons Set for Formal Tuxedo Cuff Shirt 100%Nickel Free,Never fade!Diameter:2/5'' (10mm),two sides can be used 4 pcs silver color studs High quality,deluxe,inexpensive Great gift for Birthdays/Anniversaries/Fathers Day/Businessman/Bridegroom/wedding/bridegroom Comes packaged in an elegant bag