Rear-earth Magnets N35 grade Disc shape,spec.4x10, Glod coating with Round end Surface Treatment practicable: ZN,Ni,Tin,Gold,Epoxy,Parylene,Plastic packed, Telphlone Dimension RangeDia(1-180)mm Thickness(0.5-40)mm Grade Available:full grade Round End Gold Coating Rare earth disc magnet for sensor