Milwaukee M18 ONE-KEY ONEFHIWF12 FUEL HIGH-TORQUE 1/ 2" Impact Wrench 18v
Seems to work good in settings 1, 2 and 3 but seems under powered in reverse / anti clockwise 4, good in clockwise 4.
So being sold as spares or repair.
without any guarantee on its condition. It is important to note that it may require some repairs or replacement parts to function properly.