| Color | True Color 25×25mm |
|---|---|
| Type | Magnetic Field Observer |
| Brand | Unbranded |
Check the listing for details. Magnetic Field Observer Film for Reverse Engineering and Certification Use. Color: True Color 25×25mm, Condition: New. Listed at 9.51 USD. 1 Field Observer. Great for personal or scientific research. It can help us study fields that are invisible to the naked eye. This project is easy to use. Place the card on the material to display the patterned field.