SOLID 14K 585 White Barrel Magnetic Clasp w/ 14K White Gold 6.75 mm Spring Ring Clasp - not filled or plated with an Overall Length of 1" mm. Width = 6.9 mm - This magnetic clasp offers a secure finish, yet is easy to open for wearers who have difficulty working a conventional safety or spring ring clasp. It includes a spring ring to attach to existing chain. The weight of the clasp is 1.8 grams –