Sew Magnet Nickel Plated 1,N35 NdFeB material 2,Nickel plating,With PVC 3,Washable,For cloth 4,Durable. Sew Magnet Nickel Plated Properties of this style round magnets:Material: NdFeBGrade:N35Shape:Cylinder / Disc /DiskSize:Customized size for cloth Magnetization:Axially magnetizaed.Surface treatment:Coating niPackaging:Iron packagingSewing magnets are sold in pairs for cloth.Neodymium magnets ...