GardenJoy Cordless Power Impact Wrench - Brushless 1/2 Impact Gun Max Torque 240 Ft-lbs (320N.m) with 3.0Ah Battery, Fast Charger and 4Pcs Sockets - Amazon.com
Fingerhut - All Trade 24 Volt 1/2" Drive Cordless Impact Wrench Kit
WILD EDGE Impact Wrench Kit, Heavy Duty 1/2 Inch Drive Corded Impact Gun, 7.5 Amp Max Torque 240 Ft-lbs & 2700 IPM, 4 Impact Sockets with Pin Anvil - Amazon.com
Hitachi WR14 220-240 Volt 50 Hz Impact Wrench 14mm (9/16") | 220 Volt Appliances | 2
WILD EDGE Impact Wrench Kit, Heavy Duty 1/2 Inch Drive Corded Impact Gun, 7.5 Amp Max Torque 240 Ft-lbs & 2700 IPM, 4 Impact Sockets with Pin Anvil - Amazon.com
Hitachi wr22 for 220-240 volts only
Makita 18 Volt LXT Lithium-Ion Brushless 1/2 In. High-Torque Cordless Impact Wrench (Tool Only) - Kenyon Noble Lumber & Hardware