This three dimensional old fashioned key, can be used as a focal piece, earrings, a charm or creative accent in your jewelry or creative projects. It measures 24x8mm (including the loop at the top) and 21x8mm without the loop and 2mm thick. This item is also great for embellishing all types of scrap booking and craft projects. Vintaj Natural Brass is solid brass made up of 85% copper and 15% zinc. It is not antique plated. It is both nickel and lead free. Sold Individually.