Makita XWT14Z 18V LXT 1/2 Sq. Brushless Cordless Drive Impact Wrench Anvil. Makita’s 18V LXT Lithium-Ion Brushless Cordless 4-Speed 1/2 Sq. Drive Impact Wrench w/ Friction Ring Anvil, Tool Only (XWT14Z) 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. Of Max Torque and 430 ft. BL Brushless Motor delivers 240 ft. Compact and ergonomic design at only 5-5/8 long. 4-Speed power selection switch (0-1,000 / 0-1,800 / 0-2,600 / 0-3,200 RPM & 0-1,800 / 0-2,600 / 0-3,400 / 0-4,000 IPM) for precise fastening control in a wide range of applications. Full speed mode function reduces trigger pull to reach full speed. Efficient BL Brushless Motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge. The electronically-controlled BL Brushless Motor efficiently uses energy to match torque and RPM to the changing demands of the application.