This Campbell Hausfeld air ratchet wrench is a standard duty tool. It has a speed of 150 RPM and a maximum working pressure of 90 psi. The ratchet action makes it easy to use and the metal material ensures durability. The silver color and Campbell Hausfeld branding make it a sleek and recognizable tool in your collection. The air inlet size is 1/4 in, making it compatible with most air compressors. It is used and untested. Selling as is.