Upgrade to the FLEXVOLT 60V Max 4-1/2"- 6" grinder. It has up to 30% more power than the DCG414 60V max grinder with 2300 max watts out. This grinder delivers 13 Amp motor equivalent power with a no-load speed of 9000 rpm to deliver ultimate power. It's part of DEWALT's perform & protect product line with kickback brake and the anti-rotation E-Clutch system. | DEWALT 60V 4-1/2" Brushless Cordless Grinder Combo Kit DCG418X2