We suggest using thread protective products if you want to minimize tread rust buildup

This magnet can be used on glass boards

we offer bulk purchasing options to meet your task needs

We sell these sheets individually

And you get them in a gift box with 10 pcs

Power magneter, Kugle Ø19 mm. ludo mini We suggest using thread protectiveNeodymium balls Strong, round magnets Diameter: 1. 9 cm Strength: approx. 5. 6 kg. Extremely strong magnetic spheres. Sold individually. Please note: This kind of spheres is not a toy. SPECIFICATIONS: Strength: approx. 5,600 gr. Material: NdFeB Magnetisation: N38 Max. temperaturee: 80C Surface: nickel plated chrome (Ni Cu Ni Cr)