Has two openings, one for magnetizing and one for demagnetizing an object.Simply pass an item through either side .Very useful for magnetizing screwdriver bits.
Has two openings, one for magnetizing and one for demagnetizing an object.Simply pass an item through either side .Very useful for magnetizing screwdriver bits.
上下两个开口，上为消磁，下为充磁，只要轻轻穿过即可完成，特别适合起子头的充/消磁。