Makita delivers corded grinding performance without the cord with the 18-Volt LXT Lithium-Ion Brushless 4-1/2 in./5 in. Cut-Off/Angle Grinder (tool only, battery and charger 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 XAG04Z is ideal for grinding, cutting and sanding a wide range of materials including tile, concrete, pipe, conduit and more. Its part of Makita's expanding 18-Volt Lithium-Ion system, the world's largest cordless tool system powered by 18-Volt Lithium-Ion slide-style batteries. Makita 18-Volt Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger. For improved tool performance and extended battery life, Makita created Star Protection Computer Controls. This Promotion also comes with a XWT15Z 18V LXT Lithium-Ion Brushless Cordless 4-Speed 1/2" Sq. Drive Impact Wrench w/ Detent Anvil, Tool Only and a bonus XAG04Z 18V LXT Lithium-Ion Brushless Cordless 4-1/2" / 5" Cut-Off/Angle Grinder, Tool Only.