MAX Vertical Pull-force:it is whole product size,Double holes
This is a very good magnet it is double-sided but it comes with two eyebolt holes and you can use it vertically or horizontally.
Material: Neodymium magnets
Certification:SGS AND MSDS passed
Magnetization: Axially magnetized / Poles on Flat Ends
Max Operating Temperature: 80°C/176°F
Plating: nickel copper nickel triple layer plated
Features: strong rare earth neodymium magnets – they are hard to separate once they get attracted with each other. It's perfect for wind generators, DIY projects, science projects etc.
Caution: strong magnets are brittle; strong magnet could pinch your fingers badly; if you allow two magnets attract together, it may cracks and the chips could hurt your eyes.
NOT use to water meter ,gas meter ,electric meter ,it is harmful to your country . and i can not promise to stop any meter deviece.
Sometimes one of hundred will be like that surface and side maybe 1-2mm tolerance or Groove . we will be so sorry for it ,but it will be aslo strong ,and not affect to use . so please understand it .it is normal .
(The pull force was tested at 20 Celsius degree, on a polished iron plate with a thickness of 20 mm. The magnet was deducted vertically. A difference of up to -10% compared to the specified value is possible in exceptional cases.)