Inside an Electric Screwdriver

Product Description

Electric screwdrivers combine batteries, motors, gears and a switch into one extremely compact package. How can such a lightweight, handheld tool drill through tough wood or even metal?

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Drillpro Cordless Electric Screwdriver Rechargable Electric Drll Driver 1/4 inch Power Tools For Makita 18V Battery

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Inside an Electric Screwdriver

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