This necklace setting is especially made to fit the Swarovski 1122 Rivoli round crystal in 10mm (SS47). Using 29 rivoli stones of your choice, simply place each stone into the setting and tighten the claws. The necklace length is 41cm with an extra 7cm extension chain. This necklace is perfect for adding some sparkle and glamour to any occasion. These high quality settings are handmade in Europe. Nickel Free. Stones sold separately.