first4magnets™ FR32185 4 Magnet Expert 32mm O.D. x 18mm I.D. 5.5mm thick Y30BH Ferrite Ring 1kg Pull ( Pack of )

VERSATILE MAGNET FOR SEVERAL APPLICATIONS. Commonly used in Conveyor Systems, Switches, Speakers, Arts, Crafts, Science, and DIY. HIGH OPERATING TEMPERATURE. Can operate in temperatures up to 180 degrees Celsius. RESISTANT TO DEMAGNETISATION. Excellent resistance to demagnetisation. RESISTANT TO CORROSION. They have a high resistance to corrosion without any extra coating. RARE EARTH MAGNET. 1kg maximum pull from the magnetic surface when in flush contact with a mild steel surface of equal thickness to the magnet. SPECIFICATIONS. 32mm outer diameter x 18mm inner diameter x 55mm thick. Each magnet's north and south poles are on opposite faces.