Material: NdFeB, Ferrite
Composite: Rare earth
General grade: N38H,N40H,N45H,N35SH,N38SH,N42SH,N35UH,N38UH,Y30H-
1,Y30BH
Magnets coating: Zinc, Nickel, Epoxy, Nickel-copper-nickel
Color: Silver, Black, White
Magnetizing marker: North marker, South marker