Package:10 Sets 8MM Jewelry Magnetic Clasps Round Magnetic Clasps for Bracelet Necklace Making Magnet Converter Material:copper Size:approx 8mm in diameter Color:silver as the picture show The magnet has a strong suction force,no need to worry about the loss of the necklace/bracelet during the wearing process.Round clasp is a magnetic latch, effortless to connect most jewelry clasps. It have two bails where threads or cords or chains can be passed through so that it can be used for necklace connection. Great used for most DIY necklaces,bracelets,jewelry making,easy to connect most chain buckles.