The JN-P816B is a specific model of a 75 mm magnetic needle designed for use with non-magnetic stands. It is typically constructed from high-carbon steel and features a central brass cup bearing that allows it to rotate freely on a pivot point.
Key Specifications
- Length: 75 mm.
- Material: Carbon steel (magnetised).
- Bearing: Brass cup bearing, which provides a low-friction interface for sensitive magnetic detection.
- Compatibility: Directly compatible with the Plastic Magnetic Needle Stand