Price: 19.84 - 11.90
Dimensions: Diameter 50mm x Thickness 30mm or Diameter 40mm x Thickness 20mm,60x30mm 70×40 mm
Tolerance: 0mm~±5mm
Attention: strong magnets are brittle; Strong magnet can strongly press fingers; If you let two magnets attract each other, it can crack and the chips can damage your eyes.
Do not use for water meter, gas meter, electric meter, it is harmful to your country. And I can't promise to stop any measurement deviations.