DEWALT® 60V MAX* Brushless Cordless 4-1/2 in. - 6 in. Grinder with KICKBACK BREAK™ KitWith up to 30% more power than the DCG414 60V MAX Cordless Grinder, this FLEXVOLT 60V MAX Cordless Grinder adds even more power to our line of powerful grinder tools. its part of our PERFORM & PROTECT product line with Kickback Brake and the Anti Rotation E CLUTCH System. The grinder also delivers 13 Amp motor equivalent power with a no load speed of 9000 rpm. 13 Amp motor equivalent power9000 rpm no load speed for applications with 6 in. grinder