Magic Metal Heart Skeleton Key Locket Necklace Steampunk NK27 Gold Tone Pendant Fashion Jewelry Ships from the USA Skeleton Key Locket Necklace. Beautiful design with etched floral detailing. Locket really opens. Held shut by magnet. Key Measures 2 inches long. Necklace Length, Open to End: 30 inches. Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles.