Y30BH Ferrite Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home 50mm x 25mm 10mm thick 3.6kg Pull Pack of 20

50mm x 25mm x 10mm Each magnet's north and south poles are on opposite 50mm x 25mm rectangular faces Each magnet can support a steel weight of up to 3.6kg vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness Resistant to demagnetisation and corrosion without any extra coating