I HAVE HUNDREDS OF TIE TACKS, TIE BARS AND CUFF LINKS. cuff links: 0.76"x 0.76" (approx. 3/4" x 3/4" or 19mm x 19mm). shirt studs: 0.38"x 0.38" (approx. 3/8" x 3/8" or 9mm x 9mm). tie tack/bar: none.
Luxury Men Silver Black Square Formal/Wedding Groom's Cuff links Pair #34
Black Round Formal Vintage Cuff Links &Tux Wedding Groom Prom Shirt Studs P18
Square Black & Gold Tone Formal Vintage Cuff Links & Tux Prom Shirt Studs p47
SINGLES(1) 1/2"Black Square Vintage STAG Formal Tux Shirt Prom Groom Stud b139
3/8" Square Black & Gold Tone Vintage Formal Shirt Studs prom tuxedo groom b331
Swank Silver Tone Square Cufflinks Engraved Design 21mm Formal Vintage