JewelrySupply Split Ring 4.5mm 14 Karat Yellow Gold 14k Solid Gold (.585) They open just like key rings and form a continuous circle that will not pull open. Size: 4.5mm 14 Karat Split Rings provide more strength than Jump Rings. Free shipping! You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!