Small Red Alnico Horseshoe Magnet for High-Temperature, Engineering, and Manufacturing Applications - 30mm x 20mm x 20mm 4.5mm Hole - 9.92lbs Pull: Amazon.com: Industrial & Scientific
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Amazon.com: Very Strong Magnets
Amazon.com: Strong Magnet
Small Red Alnico Horseshoe Magnet for High-Temperature, Engineering, and Manufacturing Applications - 30mm x 20mm x 20mm 4.5mm Hole - 9.92lbs Pull: Amazon.com: Industrial & Scientific