but just an easy and smart way to make a tool that lets you control whether it should stick magnetically to or let go of an item

which helps strengthen the magnetism

This is our widest magnetic metal tape - you get a roll with 3 metres of white metal tape that is 35 mm

for example:

Stærk symbol-magnet, Gul Rund (-) Auto-translated (EN) but just an easy andSymbol magnet with [ ] a minus sign or a hyphen. This variant is yellow and round with a black symbol printed on top. Also available in other colors and with other symbols or numbers. Diameter: 3. 26 cm. Height: 0. 9 cm. Strength: 1. 5 kg. Color: yellow with black printing The prices are unit prices. Volume discount available. The magnetic symbols are printed on demand. Therefore, please allow us 1 2 days in printing time. 2 3 times as strong as