Hampton Direct Set Of 12 Magnetic Clasps w/Extension Chains Gold or Silver Tone Add a magnetic clasp or a magnetic clasp with extra length to your favorite necklaces, bracelets or anklets. The magnetic barrels interlock for an effortless way to connect jewelry. Set includes 12 clasps in 2 designs, and 3 different extension lengths: 1 3/4", 2 1/2", 3 1/2". Comes in Goldtone.