I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 1.84" x 0.31" (approx. 1-7/8" x 5/16" or 46mm x 7.5mm). 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.