Aiment Cordless Impact Wrench 1/2 inch, 550 Ft-lbs Max Torque(700NM), 21V 3000RPM Brushless Power Impact Gun, 4.0Ah Li-ion Battery with Fast Charger, 6Pcs Sockets, Electric Impact Driver for Car Home - Amazon.com
Milwaukee M18 FUEL 18V Lithium-Ion Brushless Cordless 1/2 in. Impact Wrench with Friction Ring (Tool-Only) 2767-20 - The Home Depot
Snap On 18V 1/2" Drive MonsterLithium Cordless Impact Wrench, CT9080
Snap-On 1/2“ Impact with 18V battery and Dual bay charger - tools - by owner - sale - craigslist
18 V 1/2" Drive MonsterLithium Cordless Impact Wrench Kit (Red) | CT9050K2 | Snap-on Store