Makita 18V LXT 4-Speed 1/2 Sq Drive Impact Wrench with Detent Anvil Bare Tool. The Makita 18 Volt LXT® Brushless Cordless 1/2 Impact Wrench with detent anvil enhances the fastening control and is perfect for automotive, installation, and fabrication trades. Three forward and three reverse rotation auto-stop modes enhance productivity when the fastener is loosened adequately. Full-speed mode minimizes the pull on the trigger to touch optimum speed. Four-speed power selection gives accurate fastening control for different applications. The motor is controlled electronically to match the torque and the RPM to the application. Star Protection technology helps in preventing overheating, over-discharging, and overloading of the battery. Extreme Protection technology prevents the accumulation of dust and water. The integral LED light brightens up the work surface. Soft grip on the rubberized handle minimizes fatigue and ensures good comfort. BLT Brushless Motor delivers 240 ft. Of Max Torque and 430 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. 3 forward and 3 reverse Auto-Stop modes for increased efficiency. Full speed mode function reduces trigger pull to reach full speed. Efficient BLT Brushless Motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge. The electronically-controlled BLT Brushless Motor efficiently uses energy to match torque and RPM to the changing demands of the application. 18V LXT® Lithium-Ion Brushless Cordless 4-Speed 1/2 Sq. Drive Impact Wrench with Detent Anvil, Tool Only. Light with an independent on/off switch illuminates the work area.