The Hercules 20V Brushless Cordless ½" Ultra Torque Impact Wrench can be picked up at your local Harbor Freight ... or charger from Amazon for $279. Makita 40V Max XGT High-Torque ¾ Square ...

Impact wrenches ... Amazon The Makita XWT08Z 18V LXT is ideal for various automotive and industrial tasks. Its brushless motor makes it durable and extends battery life to provide up to 50 percent ...

Generally speaking, the higher-end (and pricier) cordless impact wrenches produce the greatest amount of torque. Torque output ranges from 225 foot-pounds for sub-compact models up to 1,500 foot ...