Before using, you can place the bit on the magnet "+" to quickly generate magnetism, and then suck up the screw; During use, the bit can also be placed on the magnet "-" to quickly demagnetize. Various Bits: The ratchet multi-function screwdriver set includes total parts (24 bit types, 1 strong magnet, 1 screwdriver handle), which are placed in a toolbox.
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