Plantekno 1pc (1.97"x0.2") N35 Super Strong Big Rare Earth Neodymium Magnet Premium Quality Round Disc Very Powerful

描述

A neodymium magnet (also known as NdFeB), the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structure.