Silver Keyring Golf Football Cricket Tennis Rugby. 925 Sterling Silver Sports Keyrings in various Sports Ball designs. Each keyring has a nickel plated split ring, are manufactured in the UK and can be engraved. The keyrings Golf Football Cricket Tennis Rugby are fully hallmarked and boxed. They are available as: – Golf ball – Football – Cricket ball – Tennis ball – Rugby ball. The Mayfair shaped silver keyring tag featuring the sports ball, measures approx 4.5cm long x 2cm wide. Matching Sports Ball Cufflinks, Money Clips and Bookmarks are also available. See below for matching Gifts.