Makita delivers corded grinding performance without the cord with the 18V LXT Lithium-Ion Brushless Cordless 4-1/2" Cut-Off/Angle Grinder (model XAG03Z, tool only, battery sold separately). It's powered by a Makita brushless motor for longer run time, increased power and speed, and longer tool life. For the most demanding applications, Makita's exclusive Automatic Speed change Technology automatically adjusts speed and torque during operation for optimal performance. The XAG03Z is ideal for grinding, cutting and sanding a wide range of materials including tile, concrete, pipe, conduit, and more.