The bars on these toggle clasps are amazing. Each bar is unique. The silversmith encased beautiful stick pearls in sterling silver. Each ring is adorned with a matching round pearl. The rings are oval. The ring is 20 mm wide and 30 mm long including the rings. On the end of each ring is a 3 links of hand made chain so that you can adjust the length of the necklace as needed or use as a design element. The clasp weighs 8.2 grams.