You can also use for shirt button.
SINGLE(1) 1/4" Gray Round MOP Gold Plated Vintage Formal Tux Shirt Stud c119
SINGLE (1) 1/2" Gray Round MOP 14K Gold Plate Vintage Formal Tux Shirt Stud c170
SINGLE(1) 1/2" Rectangle Channel Gold Tone Vintage Formal Tux Shirt Stud g91
SINGLE (1) 1/2" Filigree Cage Vintage Formal Tuxedo Shirt Stud f26
SINGLE(1) 1/4" Gray MOP Square Vintage SWANK Formal Tuxedo Prom Shirt Stud c198
SINGLE (1) 5/16" Gray MOP Octagon RGP Vintage LARTER Formal Tux Shirt Stud c1002