The new SSW18 18-volt, ½-inch impact wrench from Metabo’s PowerMasterSeries offers a maximum torque of 1,947 inch-pounds, and three electronic speed ranges from 0 rpm to 1,600 rpm, 0 rpm to 2,150 rpm, and 0 rpm to 2,650 rpm. The SSW18 is designed for joiners and fitters who assemble pipe, valve flange connections and structural-steel fastening.