Hitachi WR22SA 7.5 Amp 3/4-Inch Electric Impact Wrench  (Discontinued by Manufacturer) Powerful 7.5 Amp (850 Watt) motor produces an amazing 450 ft/lbs of tightening torque (class leading) to tackle the toughest jobs with ease Compact and lightweight Double insulated cast aluminum body (IDI- Internal Double Insulation Technology) provides strong protection for the motor, greatly increasing durability and extending tool life Large heat-resistant bumper protects the tool, workpiece and the user Forward/Reverse rocker switch to quickly change fastening direction Slip resistant elastomer handle improves grip and minimizes user fatigue Download the WR22SA Tool Card Side Handle (324015) Plastic Case (324014) Extension Bar Assembly (874535) Universal Joint Assembly (955088) IDI design 7.5 Amp motor 450 foot pounds torque Large Rocker switch Carrying case