N52 Block Magnets – 1/2″ L x 1/4″ W x 1/16″ H – 100 Pack, Powerful Small Rare…
【Super Strong】- Be produced by rare earth material and are composed of neodymium (Nd), iron (Fe), and boron (B), with the highest N52, our neodymium magnet has the strongest strength compared with other similar size magnets.