The Fire Hydrant Cufflinks is heavy sterling silver is generously used in the Fire Hydrant Cufflinks by Ravi Ratan. These Fireman Cufflinks make great gifts for the guy who is always putting out fires! These cufflinks are great for everyday wear, special occasions and weddings. They make a perfect gift for the Groom and Groomsmen, that special someone, or just for yourself! Sterling Silver. These cufflinks are great for everyday wear, special occasions and weddings. They make a perfect gift for the brush up and Groomsmen, that special someone, or just for yourself! Sterling Silver.