Impact wrenches are necessary if you're lightening or loosening lots of nuts and bolts. If an electric unit is more your speed, here's how the brands stack up.
The Metabo 36V MultiVolt High Torque ½" Impact Wrench can be bought without a battery or charger from Amazon for $279. Makita 40V Max XGT High-Torque ¾ Square Drive Impact Wrench Makita's teal ...