I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 1.76" x 0.40" (1-3/4" x 3/8" or 44.5mm x 10mm). I always try to point out any clear blemishes and condition. collar bar: none. 0.50" = 1/2" or 12.5mm -this is fairly large for standard button holes.
