I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: none. tie tack/bar: 0.44" x 0.44" (approx. 7/16 " x 7/16" or 11mm x 11mm). Color: silver, black, gold. collar bar: none. Condition: VERY GOOD - SEE PICS - (Hi resolution photos typically show more detail than is visible to the naked eye).
