The GA004GZ01 is a 115mm cordless Angle Grinder, designed to continuously perform heavy duty cutting & grinding, powered by 40V Li-ion 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 for faster cutting. The GA004GZ01 is equipped with electric brake for increased operator safety, slide switch with lock-on function for operator convenience, anti-restart function to help prevent the motor from starting up when the battery is inserted into the Angle Grinder with the switch locked on & spindle lock for quick & easy wheel changes. The GA004GZ01 has a side handle that can be installed on either side of the Angle Grinder for operator convenience & tool-less wheel cover to allow the operator quick & easy angle adjustment, installation & removal of the wheel cover. The GA004GZ01 features Active Feedback Sensing Technology (AFT) to shut down the Angle Grinder to protect the user if the rotation speed suddenly slows down.