Makita’s 18V LXT Lithium-Ion Brushless Cordless 4-Speed 1/2″ Sq. Drive Impact Wrench w/ Detent Anvil (5.0Ah), Tool Only (XWT15Z) provides improved fastening control, ideal for automotive, installation, and fabrication trades. The impact wrench combines extended run time and speed control for unmatched fastening performance. It is powered by a Makita-built brushless motor for longer run time. The brushless motor delivers 240 ft.lbs. of Max Torque and 430 ft.lbs. of Nut-Busting Torque.