Product · United States

High Sensitivity N S Polar Identification Test Pen Magnetic Field Magnet Pole Detector Polarity Determination Portable

Product no longer available. The stores we track no longer sell it; last price seen $17.78.

Price history: 2 daily prices tracked since 2026-10-18; lowest $17.78, highest $17.78.

High Sensitivity N S Polar Identification Test Pen Magnetic Field Magnet Pole Detector Polarity Determination Portable

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