... tolerance Neodymium Rare Earth Block Magnets with holes, N35,N38,N40,N42,N45,N48,N50,N52.. Product specifications:1. Neodymium rare earth ... magnetic force and high intrinsic coercive force.6, With precise tolerance.Application for Neodymium magnet:Magnetic separator, Sensors, Wind generators, ... service.3, Commited to customers with our best service and with the most that wecan do for you.3, Samples are ...