The Little Link Math Genius cufflinks with giftbox - Business Wedding Gift Present Accessories for Men 3.14159265359 Show your deep, burning passion for math by making a bold statement with our cufflinks! Measures 16mm (h) by 17mm (w) 100% brand new and premium quality - An essential for the fashionable cufflink collector Comes with complimentary Giftbox Made with rhodium plated alloy, which does not tarnish or rust over time. No polishing required.