I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 1.60" x 0.23" (1-5/8" x 1/4" or 40.5mm x 5.5mm). I always try to point out any clear blemishes and condition. collar bar: none. 0.25" = 1/4" or 6mm - pretty small for standard button holes.
