Like new Craftsman Model 875-188990 pneumatic impact wrench. This is a reversible 3 speed air tool used for tightening and loosening nuts and bolts.
Model: Craftsman 875-188990
Type: Pneumatic (air) impact wrench
Drive size: 1/2 inch
Features: Reversible function, indicated by the "F" (forward) and "R" (reverse) markings on the tool