I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 1.23" x 0.21" (1-1/4" x 3/16" or 30.5mm x 5mm). collar bar: none. GOOD - used, showing age appropriate signs of use such as minor scratches and minor wear, no cracks or missing pieces.
