This is a tool for magnetize or demagnetize.
Quickly and easily magnetize small tools so they attract screws or nuts for easily starting and removing .
Insert a screwdriver or nutdriver into the hole , pull it out and it's magnetized !
Shatter proof box is made from high quality plastic
Uses 2 C8 industrial permanent magnets
No batteries or electrical required
Instantly magnetize or demagnetize steel tools and small parts
For any technical support or suggestion, please kindly go to Seeed Studio's forum.