一般ツール3601精密磁化＆＃038;脱磁装置

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This magnetizer / demagnetizer is intended to be used with screwdrivers, nut drivers, wrenches, tweezers and other steel tools
Thanks to a simple yet powerful design, this handy gadget can quickly convert any tool blade into a magnetic retrieval tool
To magnetize a tool, simply slide it through the center hole. To demagnetize a tool, slide it through the side slots
You can also demagnetize screwdrivers, nut drivers and wrenches before using them