MALFAH ENTERPRISES HANBON 113440 SCREWDRIVER BITS SET 40PCS Combination Screwdriver Set(Pack of 40)
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A screwdriver bit is a tool for driving screws and one that can be fitted to most drilling power tools. All screws have a head with a contour such that an appropriate screwdriver tip can be engaged in it in such a way that the application of sufficient torque to the screwdriver will cause the screw to rotate.
