I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. collar bar: none. I always try to point out any clear blemishes and condition. tie tack/bar: 2.54" x 0.94" (2-9/16" x 15/16" or 64mm x 24mm). 0.25" = 1/4" or 6mm - pretty small for standard button holes.
