SINGLE(1) 3/8" Oval Black & Gold Tone Vintage Formal Tux Prom Shirt Stud b115
£17.45
Shirt stud: 0.41" x 0.33 (3/8" x 5/16" or 10mm x 8.5mm). tie bar clip/tie tack : none. collar bar: none. I always try to point out any clear blemishes and condition. Color: gold, black. 0.25" = 1/4" or 6mm - pretty small for standard button holes.