This strong Alnico (Aluminum-Nickel-Cobalt) bar magnet is a must for science projects. Comes with marked north and south poles. Size: 1.85 in (47mm) x 0.43 in (11mm) x 0.25in (6mm) Color: Shiny silver.
This magnet has a strength of: 700 Gauss (0.07 T)
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