Landhero Pro IH-IW1 Air Impact Wrench, Max Torque: 2800 ft-lbs, No-Load Speed: 4200 RPM, Air Inlet Size: 1/2 inch, Air Pressure Range: 100-170 PSI, Mechanism: Pinless Hammer, Shipping Dimensions: 26 in x 6.3 in x 8.9 in, Shipping Weight: 39 lbs, Proudly Manufactured in Canada.