1/2" Air Impact Wrench, Power Impact Gun Max Torque 1560Ft-lbs(2116N.m), 8000RPM | eBay
Elikliv Cordless Impact Wrench 1/2 inch, 750 Ft-lbs Max Torque(1000N.m), 21V 3000 RPM Brushless Power Impact Gun, 4.0Ah Li-ion Battery with Fast Charger, 4Pcs Sockets, Electric Impact Driver for Car - Amazon.com
RIDGID 18V Brushless Cordless 4-Mode 1/2 in. Mid-Torque Impact Wrench with Friction Ring (Tool Only) R86012B - The Home Depot
AOBEN 21V Cordless High Torque Impact Wrench 1/2 inch, Powerful Brushless Motor with Max Torque 450 ft-lb (600N.m), 4.0Ah Battery, 6 PCS Sockets (17-22mm), Fast Charger and Tool Box - Amazon.com
Milwaukee M18 FUEL GEN-2 18V Lithium-Ion Mid Torque Brushless Cordless 3/8 in. Impact Wrench with Friction Ring (Tool-Only) 2960-20 - The Home Depot