I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: none. I always try to point out any clear blemishes and condition. tie tack/bar: 0.44" x 0.44" (7/16" x 7/16" or 11mm x 11mm). collar bar: none.
This product would be a great fit for vintage clothing events, catwalks, or fashion shows.