Feature(may vary by option.)

●Material: magnet.
●Great for personal or scientific research. And it help us study fields that we canfor t see.
●Application: Good performance, convenient and practical, suitable for home and professional use.
●Lightweight Size: Portable and small size, easy to store and carry, bring you convenience.
●easy to use: Just place the card on the surface of the material and it will reveal a field of pattern.

[A]

[B]

Description

Magnetic Inspection Display Paper Magnet Magnetic Observation Film Display Film Magnetic Circuit Teaching Display field viewer card green field viewing film card magnet detector pattern display
Features:
brand new and
Material: magnet.
easy to use: Just place the card on the surface of the material and it will reveal a field of pattern.
Great for personal or scientific research. And it help us study fields that we canfor t see.
Application: Good performance, convenient and practical, suitable for home and professional use.
Lightweight Size: Portable and small size, easy to store and carry, bring you convenience.

Specifications:
Material: Magnet
Color: Green
Type: A, B, C
Product Dimension: approx. 25x35mm/0.98x1.38inches
40x45mm/1.57x1.77inches
30x50mm/1.18x1.97inches
Net Weight: 10g/0.02lbs
20g/0.04lbs
25g/0.06lbs

Package Includes:
1x Magnetic Field Viewer Viewing Film

Note:
Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.