Beautifully crafted shamrock design which symbolizes good luck prosperity and Celtic Heritage. The secure swivel-back closure on the cufflinks ensures easy wear and a firm hold making them ideal for formal events business meetings or festive celebrations. Beautifully crafted shamrock design which symbolizes good luck prosperity and Celtic Heritage. Lapel pin measures 2 1/2 inches total length is 2 3/4 inches. Made of Brass. Whether you are honoring your Irish roots or simply adding a stylish luck charm to your wardrobe these cufflinks are a distinguished and meaningful accessory for any gentleman.