Landhero IH-IW7 Air Impact Wrench features a 1" drive size, delivers a maximum torque of 2800 ft-lbs, and operates at a no-load speed of 4200 RPM, air pressure requirement of 106-109 PSI, air inlet size of 1/2 inch, weight of 39 lbs (17.6 kg), dimensions 26" x 6.3" x 8.9" (66 cm x 16 cm x 23 cm), manufactured in Canada.