They need a magnet as a counter pole to achieve a magnetic effect

These magnets are small and cheap board magnets with a strenght of 0

This size magnetic tape is only sold in 10-meter rolls

Strength is measured in a direct pull on a strong

Hand Lifter 235 Fixed (MagSwitch) Auto-translated (SE) They need a magnet asA Hand Lifter 235 Fixed is a great magnet that you can easily "turn on and off", making it easy to move smaller pieces of steel using magnetism. When you activate the magnet, it lowers and makes direct contact with the steel pot and lets you lift elements of up to 106 kg. (in a straight line). It is not electromagnetism, but just an easy and smart tool that lets you control whether it should stick magnetically to or let go of something. In the photo