RIDGID introduces the R86042 18V 4-1/2 in. Slide Switch Angle Grinder (Tool Only). RIDGID’s brushless motor technology delivers maximum performance and longer runtime. The powerful brushless motor in this grinder delivers up to 10,000 RPM. This tool features an LED Overload Indicator to help extend motor life. The tool-free guard design allows users to easily adjust the position of the guard for decreased downtime and increased productivity. A 3-position Side Handle gives users optimal control and versatility on the jobsite while the ergonomic slim grip allows for maximum comfort during extended use. Lock-Off Protection prevents accidental starts; so if the battery is installed while the tool lock is on, the tool will not operate. As always, the RIDGID 18V 4-1/2 in. Angle Grinder is 100% compatible with all RIDGID 18V batteries.