Specifications: Material: Rhodium-plated pierced earrings with Swarovski crystals Lock Size: 1/2" wide X 3/4" high (13mm X 19mm) Key Size: 3/16" wide X 5/8" high (5mm X 15mm) Colors (Standard Swarovski Color Names): Rose, Aqua, Amethyst, Light Amethyst, Peridot