... ,Al,Copper magnet material:Ceramic magnet Coating:Cr,Ni,Zn,Epoxy.. Packaging & DeliveryPackaging Detail: 1,Plastic bags, then cartons, 2,Standard ... ...Material of magnet: NdFeB,Ferrite,AlNiCo,SmCoCoating : Nickel,Zinc,Epoxy,Cr,Paint,Rubber...Pulling force ranges from 3-1500N.This unique feature ...