I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. tie tack/bar: 2.92" x 0.50" (2-15/16" x 1/2" or 74mm x 12.5mm). collar bar: none. Color: gold. 0.25" = 1/4" or 6mm - pretty small for standard button holes.
This product would be a great fit for those looking to add an elegant touch to their wardrobe with a timeless gold tone for a special occasion.