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N52 grade and super strong. One used Neodymium block magnet. Each piece has 4 smaller neodymium block magnets bonded together and magnetized as one large magnet. A Neodymium Rare Earth Magnet that is never handled, will never break but one that is not handled correctly will always break.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.