Stays clear! Steel filings are sealed in a scratch-resistant, transparent viewing tray. Includes rubber coated magnets (.75 disc magnet and 1 bar magnet) and filing-filled tray measuring 3.44 D.
- Clear viewing of the invisible lines of a magnetic field
- Steel filings are sealed in a scratch-resistant, transparent viewing tray
- Includes 2 magnets (.75 disc magnet and 1 bar magnet) and filing-filled tray
- Magnets are rubber coated to prevent scratching on the outside of the tray too
NON-RETURNABLE: This item is non-returnable
