Impact Drivers
An impact driver's rotational hammer action makes it the right tool for driving deck screws, lag bolts, and other heavy fasteners that would strip or stall a standard drill.
Most serious DIYers eventually pair one with a drill/driver, often on the same battery platform for convenience.
What to look for
Torque ratings vary widely
Compact homeowner-focused models and pro-grade tools can differ significantly in peak torque. Match the tool to the heaviest fasteners you'll realistically drive.
Multiple speed/mode settings help
A dedicated low-speed or 'precision' mode makes it much easier to avoid overdriving screws into soft material like trim or drywall anchors.
Compact length matters in tight spots
Shorter front-to-back length makes a real difference working inside cabinets, electrical boxes, or between studs.