These Neodymium??NdFeB) rubber coated pot magnets have strength force.This design with rubber plastic coating can protect magnet no easy to be chipped,corrosion and provide great slide resistance. See below items,which made with external thread,normally we do with M4x15mm,M5x15mm or M6x15mm,we can accept customzied of the thread length,they are suitable for application in the surface might be easily scratched or damaged.
