The most common role for cufflinks is as a formal or semiformal alternative to buttons. But that's hardly the extent of their wardrobe functionality, however. They are the one piece of men's jewelry that is both functional and ornamental. Grab for these square brushed gold-tone cufflink and matching tie bar an etched design to add style and class. Bullet back with toggle closure for secure fit. Gift Boxed. Tie Bar is approximately 2-1/2" X 1/4" / Cufflinks 5/8" X 5/8"