cordless screwdriver![click to hear](/images/speaker.jpg)
Battery-driven screwdriver with interchangeable bits, used for tightening and loosening screws and bolts.
tip ![click to hear](/images/speaker.jpg)
End of the blade or bit that fits into the groove of the screw or bolt.
reversing switch ![click to hear](/images/speaker.jpg)
Switch for selecting the bit’s direction of rotation (screwing or unscrewing).
bit ![click to hear](/images/speaker.jpg)
Detachable shank rotated by the motor to screw or unscrew a part.
battery ![click to hear](/images/speaker.jpg)
Device that stores chemical energy while charging, then converts it to electric energy.
handle ![click to hear](/images/speaker.jpg)