HAMMERHEAD_HDIW075_7.5 AMP 1/2-inch Impact Wrench Powerful 7.5 Amp motor delivers 2,200 RPM and 2,700 BPM 240 ft.-lbs. of torque for heavy-duty applications 1/2 in. square drive with friction ring for secure socket retention Metal gearbox for added durability Forward/reverse rocker switch for quick and easy two-finger operation