Screwdriver Bit Sets: There are 10 different sizes of impact hex driver screwdriver bits for you to choose from, including 8mm, 7mm, 6mm, 5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm, and 1.5mm. Magnetic Design: Each impact allen wrench bits is equipped with a magnetic tip that can easy to hold the screws and tightly absorb the screws, stop them from falling off.
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