I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. I always try to point out any clear blemishes and condition. tie tack/bar: 1.74" x 0.56" (1-3/4" x 9/16" or 44mm x 13.5mm). collar bar: none. 0.25" = 1/4" or 6mm - pretty small for standard button holes.
