I am very impressed with the strength of these magnets. I bought these for an anklet and it feels very secure. They add about 1-1/8" so probably won't work well for bracelets. But perfect for a necklace. I put them next to my 14k and 18k yellow gold jewelry and the plating matches very well. Can't do anything cannot comment on their wear or tarnishing as they are brand new but they appear to be of good quality.
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