FIRST4MAGNETS N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Science, Office and Home - 8mm dia x 25mm long - 3.1kg Pull - Pack of 40

Product Description Pack of 40 8mm diameter x 25mm thick +/-0.1mm tolerance Each magnet's north and south pole are on opposite 8mm circular faces Each magnet can support a steel weight of up to 3.1kg vertically from the magnetic face when in flush contact with a mild steel surface Excellent resistance to demagnetisation Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish Our 8mm diameter Neodymium rod magnet produces an astonishing 3.1kg pull for a relatively small and affordable magnet. They have many uses in engineering, manufacturing and technology where small size and maximum strength are required. What's more, because of their resistance to demagnetisation they are ideal for creating a shock-absorbing or dampening effect when used to repel other magnets. Box Contains 1 x 8mm dia x 25mm long N42 Neodymium Magnet - 3.1kg Pull ( Pack of 40 )