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: 2.62" x 3.36" (2-5/8" x 3 -3/8" or 66mm x 86mm). 0.25" = 1/4" or 6mm - pretty small for standard button holes.
