Large ring magnets 1)Material:sintered NdFeB magnet 2)Garde:N35 ... -N42-N45-N48-N50-N52 3)Nickel,Zn etc coating Large ring magnets1)Raw materail:Sintered Neodymium-Iron-Boron (NdFeB)2 ... Expoxy,Black Nickel,Ag,AU,etc .6)Application:Acoustics,Motors,Windmill,Transportation,IT industryequipments,Home appliance,Loudspeaker,,Communication etc.7)shipment ... 10.2>812>30>2388-0.11-0.51350-380200 Large ring magnet