Head lengths range from less than four inches for the most compact drivers to more than five inches for the bulkiest models.

Our rigorous tests help you find the ideal impact driver for your heavy-duty projects A powerful impact driver, like this model from Flex, can drive screws without the need to predrill holes.

Of course, the range of tools currently being offered by the brand is far broader than even founder Raymond DeWalt likely could've imagined when he filed patents for his game-chan ...