Neodymium disk magnet, Grade 35, Diameter: 0.5 inch, Thickness: 0.75 inches, Weight: 0.007 Lbs, are made from the most powerful magnetic material in the world, are composed of neodymium, iron, boron and a few transition met
Junior Magnet Kit, A Kit Of Magnets And Accessories For Science Experiments, Each Of Square Iron, Aluminium, Zinc And Copper Metal, 1 Horseshoe Magnet With Keeper, 100mm 2 Ceramic Bar Magnets 75 mm Long. 3 Ceramic Ring Magnets, 38 mm Dia, Face Polarised.2 Plotting Compasses
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