Milwaukee M18 FUEL GEN-3 18-Volt Lithium-Ion Brushless Cordless 1/2 in. Compact Impact Wrench with Friction Ring...
AVID POWER Cordless Impact Wrench, 1/2 Impact Gun w/Max Torque 330 ft lbs (450N.m), Power Impact Wrenches w/ 3.0A Li-ion Battery, 4 Pcs Impact Sockets and 1 Hour Fast Charger - Amazon.com
Seesii Brushless Power Impact Wrench, Cordless, 1/2 inch Max High Torque 479 Ft-lbs(650Nm), 3300RPM w/ 2x 4.0 Battery, 6 Sockets,9 Drill,6 Screws for Car Home, WH700 - Amazon.com
Milwaukee M18 FUEL 3/8" + 1/2" dr High Torque Impact Wrench Combo Kit #2988-22 | eBay