The Milwaukee 18-Volt quarter-inch impact driver is on sale for $99, 50% off its usual price. The driver includes a ...

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

The general operation of a power drill isn't rocket science: you squeeze the trigger, the bit spins, you put holes in things. However, that only applies when all you're doing is putting a hole in ...