Wagan Tech Impact Wrench - $24.88

Powered by your cars 12-volt power outlet or accessory plug, this 12-volt reversible 1/2 impact wrench can generate up to 271 ft.-lbs. of torque. Changing tires takes a fraction of the time with this wrench, loosening or tightening your lug nuts in seconds. Available: Wrench Only Wrench with Kit The kit includes two double-ended, flank-drive impact sockets (17/19mm and 21/23mm); a 13-ft. power cord and a heavy-duty carry case. - $24.88