Case IH 1/2" Impact Wrench, - Steel-nose case with lightweight aluminum housing - Rotary action air motors - Ball bearing mounted for balance, speed, and power - Pressure feed grease lubrication - Five-position air speed regulator - Convenient slide bar forward/reverse - Variable speed trigger - 425 ft. lb. maximum torque forward/reverse - 8,000 rpm - One year warranty from date of purchase on parts and labor