uGems Sterling Silver Converter Round Magnetic Clasp with Ring 10mm

This is a sterling silver round magnetic clasp converter for necklaces; easy to convert a difficult to clasp necklace into a magnetic clasp; attach one side to your necklace on one side with the attached spring ring, and the other on the spring ring of the necklace through the split ring; 28mm total length with spring and split ring; great for those with long nails, arthritic, or when it is difficult to use regular jewelry clasps. This style is for use with necklaces with lobster and other clasps. Utilizes very powerful magnets. 1 specified buys 1 clasp, 2 buys 2 clasps, etc. Do not use if you use a pacemaker, insulin pump, or defibrillator; Heat from very hot water (over 150 degrees F) will diminish the strength of the magnets, so detach before cleaning in ultrasonic cleaners. USA Made. DO NOT USE IF YOU USE A PACEMAKER, INSULIN PUMP, OR DEFIBRILLATOR Clasps such as spring rings and lobsters have a spring inside that will stick to a magnet. This spring is never precious metal. Precio