Masada Jewelry, Music Symbol Sol Key, Pendant 1.25 Inch Tall, Necklace 17 Inch Long Chain. Sol key pendant with cube chain necklace Pendant dimensions: 3/8 inch wide x 1 1/4 inch tall Chain dimensions: 1/16 inch (1.5 mm) wide x 17 inches long Clasps: lobster claw clasps Perfect gift for music lovers.