Makita XAG11Z 18V LXT® Lithium-Ion Brushless Cordless 4-1/2″ / 5″ Paddle Switch Cut-Off/Angle Grinder, with Electric Brake, Tool Only. 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 ChangeT technology automatically adjusts speed and torque during operation for optimal performance. For added convenience, the XAG11Z has an Electric brake that stops the wheel in 2 seconds or less upon release of the paddle switch. The XAG11Z is ideal for grinding, cutting and sanding a wide range of materials including tile, concrete, pipe, conduit, and more. Electric brake stops the grinding or cut-off wheel in 2 seconds or less for maximum productivity. Active Feedback-sensing Technology (AFT) turns the motor off if rotation of the wheel is suddenly forced to stop. Automatic Speed Change technology adjusts speed and torque during operation for optimum performance. The BL Brushless Motor eliminates carbon brushes, enabling the BL Motor to run cooler and more efficiently for longer life; delivers 8,500 RPM. Efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge. Your satisfaction is our goal. Please give us a feedback regarding our product and service. Your feedback is valuable to us. Please help us to serve you better. We will do our best to resolve any issue for your complete satisfaction. Sometimes it takes more than usual. But please don’t worry. Most of the time it is delivered on time. We accept payoneer only. All return Must be packaged with all supplied when it was first delivered to buyers.