1. Material: Strong Magnetic NdFeB balls.
2. Grade: N, M, H, SH, UH, EH
3. Size: D4, D5, D6, D7, D8 etc.
4. Shapes: Sphere(ball), others;
5. Diameter: 5mm/ b
6. Numbers of Beads: 216
7.Magnets coating: Zinc, Nickel, Epoxy, Nickel-copper-nickel, Gold, etc.
8. Certificate: ISO9001 ISO14001
9. Application: toy, jewelry, gift, etc.