Magnetic Field Viewer Card

2.5" H x 4" W Laminated For Testing and InspectionDMVC-1View the location and number of poles of any magnet with the Magnetic Field Viewer. The magnetic field viewer shows magnetic poles as dark areas, while the light areas indicate where North and South poles meet. The viewer is available as a laminated card, or in larger custom sizes. Hold viewer over a magnet to reveal location and number of magnetic poles Can be used anywhere Great for workmen, manufacturers, teachers, and anyone who uses magnets Master Magnetics is your Magnet Source for Testing and Inspection Tools. Check out our full collection here.