Set of 4 Magnetic Necklace Clasps With Safety Catches Set of 4 Magnetic Necklace Clasps With Safety Catches make it easy to open and close your favorite necklaces, and now you can solve your jewelry hassles with one bundle purchase! Each magnetic necklace clasp contains a loop on one end, and a standard lobster claw clasp on the other. After attaching them to your favorite jewelry, you can easily secure your necklaces and bracelets by positioning the ends near each other. This set comes with two Gold Tone clasps, and two Silver Tones clasps. That should cover your entire jewelry box! Magnetic attraction does the rest! Removing jewelry is just as easy: simply tug on each end to release!