DEWALT XTREME 12-volt Max Variable Speed Brushless 3/8-in Drive Cordless Impact Wrench (Battery Included) in the Impact Wrenches department at Lowes.com
WORKSITE 20V Cordless Impact Wrench 3/8 Inch, Impact Gun with 2.0A Li-ion Battery, Charger, 8Pcs Driver Impact Sockets, 3/8" to 1/4" Adaptor & Extension Bar, Grey - - Amazon.com
NEIKO 10880A 3/8-Inch-Drive Brushless Cordless Impact Wrench, 20-Volt Compact Impact Wrench with Lithium-Ion Charging Battery, Includes Fast Charger, 3/8 Impact Gun, 3/8 Impact Wrench, Impact Driver - - Amazon.com
ACDelco 3/8” Power Impact Wrench 90ft-lbs LED Light Cordless Li-ion 12V Max Compact Tool, Kit with 2 Batteries, Charger, G12 Series – ARI12104 - - Amazon.com