Here's a quick look at the specs, features, pros, and cons of the Milwaukee FUEL 2604-22 hammer drill/driver. This information was excerpted from a tool test in the Spring 2015 issue of Tools of the Trade. The main story contains an overview plus runtime and power test data for all tools tested.

Milwaukee FUEL 2604-22
Battery: 18 volts; 4.0 Ah
Battery gauge: 4 bars; on battery
Weight (pounds): 5.15; with handle 5.68
Rpm: 0-550; 0-1,850
Hammer Bpm: 0-9,350; 0-31,450
Other Features: Brushless motor; LED headlight; 9 7/8-inch side handle
Price: Kit $299; bare tool $149
Includes: Tool; 2 batteries; charger; plastic case
Country of origin: Tool China; battery Korea and China
Performance: Rated very good under heavy duty uses and a top-tier performer overall. Third in runtime. (See comparison tables in Main Story)
Comments: A rock-solid brushless motor tool—with a traditional design and features—that works as you expect without any learning curve.
Pro: Side handle attaches to tool without having to slide over bit and chuck.
Con: No belt hook, but has mounts for optional accessory hook on both sides of tool.