I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links:none. tie tack/bar: 0.70" x 0.77" (approx. 11/16" x 3/4" or 17.5mm x 19.5mm). collar bar: none. shirt studs:none. GOOD - used, showing age appropriate signs of use such as minor scratches and minor wear, no cracks or missing pieces.