IDEAL FOR CREATIVE APPLICATIONS. Our neodymium magnets are commonly used in creative applications such as models and theatre design, clothes making, furniture making, exhibitions, and packaging. USEFUL FOR MANUFACTURING & ENGINEERING. Neodymium magnets have many uses in engineering and manufacturing where small size and maximum strength are required. RESISTANT TO DEMAGNETISATION. Excellent resistance to demagnetisation. CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper, and nickel to reduce corrosion and provide a smooth and clean finish. RARE EARTH MAGNET. Each magnet can support a steel weight of up to 9.4kg vertically from the magnetic face when in flush contact with a mild steel surface. SPECIFICATIONS. 25mm O.D. x 16mm I.D. x 5mm thick.