Pandahall 100Sets Round Oval Brass Magnetic Clasps Magnet Converter for Bracelet Jewelry Making Nickel Free 11x5mm Black Round Brass Magnetic Clasps, Oval, Nickel Free Size: about 5mm wide, 11mm long, hole: 1mm. These brass rounded clasps feature two pieces that hold together magnetically so slipping jewelry on and off is simpler yet secure. The lightweight colorful magnetic clasps can be used for making necklaces, bracelets and so on. Sometimes your favorite necklace needs an added sense of security, or perhaps a decent closure repair, that is where these Magnetic Clasps come in. Handcrafted to fit a variety of pieces and style, these magnetic closures are a brilliant and clever gift to any jewelry collector as you never know when they may come in handy. Round Brass Magnetic Clasps, Oval, Nickel Free Size: about 5mm wide, 11mm long, hole: 1mm. These brass rounded clasps feature two pieces that hold together magnetically so slipping jewelry on and off is simpler yet secure. The lightweight colorful magnetic clasps can be used for making necklaces, bracelets and so on. Sometimes your favorite necklace needs an added sense of security, or perhaps a decent closure repair, that is where these Magnetic Clasps come in. Handcrafted to fit a variety of pieces and style, these magnetic closures are a brilliant and clever gift to any jewelry collector as you never know when they may come in handy.