الوصف
The 75mm magnetic needle is a specialized compass used in educational and laboratory settings. It consists of a high-quality magnetized steel or brass needle, a precision low-friction pivot, and a stable, non-magnetic base. For easy visualization, the needle's north and south poles are often color-coded.
Features
- Highly sensitive
- Clear pole identification
- Durable construction
- Stable base
- Versatile use

