Levels with magnetic base

 

— the base, supplemented with a powerful neodymium magnet, allows the tool to "stick" to magnetic surfaces. This ensures a tight fit and reduces the possibility of inaccurate measurements. Yes, and in between measurements, this function can come in handy — for example, the level can be “hung” on a metal beam in a convenient place, in plain sight, and not waste extra time searching when the tool is needed again.