The GA040GZ01 is a cordless 115mm diameter Angle Grinder, designed for the optimal performance in continuous, heavy duty applications, powered by 40V Max XGT battery (not included), to supply energy to the powerful 40V brushless motor, with soft start for smooth start-ups, to deliver up to 8, 500 rpm suitable for high dem&, industrial applications. The GA040GZ01 is equipped with slide type switch with lock-on function for continuous product use, side handle installable on either side of the tool, electric brake for increased operator safety & anti-restart function to minimise motor start-up when the battery is inserted with the switch locked on. The GA040GZ01 features X-LOCK mechanism, designed to enable the installation & removal of X-LOCK wheels with a single action without a tool to minimise over-tightening & loosening of wheels; simply pull the lever & the X-LOCK wheel can be removed. The GA040GZ01 also features Active Feedback Sensing Technology (AFT) designed to shut down the motor if the rotation speed suddenly slows or the wheel is forced to stop & Auto-Start Wireless System (AWS) to connect to a compatible vacuum with Bluetooth (chip 198900-7 required, sold separately).