I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 1.66" x 0.72" (1-11/16" x 3/4" or 42mm x 18mm). I always try to point out any clear blemishes and condition. collar bar: none. GOOD - used, showing age appropriate signs of use such as minor scratches and minor wear, no cracks or missing pieces.