Jewelry charm shaped like a key shape, half-filled with sparkling, clear cz gems. Made from 14kt nickel-free yellow gold. Match this charm with different size hoops and hinged segment clickers for a unique look! Small, versatile piece for a variety of piercings. Great for a curated ear look. O-ring size: 0.8mm (thick) x 2mm (inner diameter) x 3.6mm (outer diameter). Charm size is 3.5mm x 9mm. Sold individually (1pc).