20mm O.D x 10mm I.D x 5mm thick Diametrically Magentised N42 Neodymium Magnet - 3.2kg Pull

• 20mm outer diameter x 10mm inner diameter x 5mm thick
• Diametrically magnetised with a 2mm hole through the diameter
• Excellent resistance to demagnetisation
• Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish

These versatile high-performance ring magnets are diametrically magnetised which means their north and south poles are on opposite curved faces. They also have a small 2mm hole going through the diameter of the magnet. They are used in many everyday appliances such as vacuum cleaners plus motors, generators, rotor shafts and more.