Our most powerful tools just got better with the 60-Volt MAX 4-1/2 in. - 6 in. grinder. It has up to 30% more power than the DCG414 60V MAX grinder with 2300 unit Watt out. This grinder delivers 13 Amp power with a no-load speed of 9000 RPM. It is part of the PERFORM and PROTECT product line to help keep users safe. Its kickback brake engages when a pinch, stall or bind-up event is sensed and shuts the grinder off. Size: small.