Hd Magnetic Field Viewer Film Magnet Pattern Viewing Card 40*50Mm

Feature: 100% brand new and high quality Magnetic Field Viewer Film Magnetic Viewing Film Paper 1.Easy to use: Just place the card on the surface of the magnetic material and it will reveal a magnetic field of pattern. 2.Great for personal or scientific research. It can help us study magnetic fields that we cannot see. 3.It can be used for quality control product demonstrations reverse engineering certification and educational purposes. 4.Small and portable light weight easy to carry. 5.A wonderful educational tool to spark our interest in science. 6.The Magnetic Field Viewer is a micro-encapsulated film that allows the user to see the static magnetic field. 7.The highly flexible film is suitable for magnetic surfaces with any convexity or cavity. Specifications: Material：Magnetic Field Viewer Viewing Film Color：yellow Size：40*50mm Package Included: 1x Magnetic Field Viewer Viewing Film Note: Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you! Manual measurement please allow 1-10mm error. Thanks for your understanding.