Milwaukee M18 FUEL GEN-3 18-Volt Lithium-Ion Brushless Cordless 1/2 in. Compact Impact Wrench with Friction Ring...
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
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
Milwaukee 2663-22R M18/M12 Lithium-Ion Cordless 3/8 Inch Ratchet & 1/2 Inch Impact Wrench with Friction Ring Combo Kit
DEWALT XR 2-Tool 20-Volt Max Brushless Power Tool Combo Kit (1-Battery and charger Included) in the Power Tool Combo Kits department at Lowes.com