Here is a good, lightly used Craftsman air impact wrench in 3/8" drive. The part # is 875.199460. It is a handy compact size, has variable speed settings and a torque range of 10 to 75 Ft. Lbs. The air inlet is standard 1/4" NPT with a standard fitting in it.

Modified Item: No
Country/Region of Manufacture: Taiwan
Air Inlet Size: 1/4in.
Max Torque: 75ft/lbs.
Drive Size: 3/8in.
Manufacturer Part Number: 875.199460
Brand: Craftsman
Non-Domestic Product: No