Porter-Cable PCE211 7.5 Amp 1/2″ Impact Wrench (corded) $64.95

Lowest price on camelcamelcamel
It looks like a good tool based on feedback on Amazon.
It’s corded, but that works for me.
Listed as 450 ft.lbs of torque
https://www.amazon.com/dp/B07255Q…_lig_dp_it