I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 1.98" x 0.62" (approx. 2" x 5/8" or 50mm x 15.5mm). collar bar: none. cuff links: none. shirt studs: none. GOOD - used, showing age appropriate signs of use such as minor scratches and minor wear, no cracks or missing pieces.