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

They differ in one key way, however: impact drivers also use a rapid hammering action better suited to drilling and driving into tougher, more dense materials — which could obviously be useful ...

Impact drivers can be more compact and lightweight than many drills. Unlike drills, they don't have a chuck and instead have a clamp. We test, evaluate, and compare the latest cordless drills and ...

The Flex FX1351-2A is part of the Cordless Drills & Impact Drivers test program at Consumer Reports. In our lab tests, Impact Drivers models like the FX1351-2A are rated on multiple criteria ...