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1Pc Magnetic Field Viewer Pattern Display Membrane Magnetic Card Detector Magnetic Field Viewer Viewing Film 20X20mm
Magnetic Field Viewer Pattern Display Membrane Magnetic Card Detector Features: * Easy to use: place the card on the of a magnetic material and it will display a patterned magnetic field. * Great for personal or scientific research: It can help us...
$12.49 Delivery: $9.99
