Kobalt 8-Amp 1/2-in Drive Corded Impact Wrench in the Impact Wrenches department at Lowes.com
1/2 Modern Electrical Impact Wrench Kit Best Cordless Electric Power Wrench Tools Large 1/2inch Heavy Duty Lithium 40V Battery - China Impact Wrench, Impact Wrench Heavy Duty | Made-in-China.com
Makita TW1000 1" Impact Wrench w/ Friction Ring Anvil , Blue - Power Impact Wrenches - Amazon.com
Milwaukee M18 FUEL 18V Lithium-Ion Brushless Cordless 1 in. Impact Wrench with D-Handle (Tool-Only) 2868-20 - The Home Depot