ERGONOMIC, ROBUST GRINDER DESIGN: Engineered with a narrow grip zone for best user comfort and considerable power BRUSHLESS MOTOR: Provides comparable 8.0 amps of power and greater efficiency that maximizes runtime and productivity RESTART PROTECTION: Helps prevent accidental tool startup when switching batteries SOFT-START TECHNOLOGY: Reduces startup torque to ease into cuts OVERLOAD PROTECTION: Reduces the risk of the motor overloading or overheating CORE18V 4 AH BATTERY: Delivers 2x the runtime compared to previous generation bat612 2 ah battery SPIRAL BEVEL GEARS: Provide smooth transmission of power to grinding applications TWO-POSITION SIDE HANDLE: Offers comfortable control ADJUSTABLE TOOL-FREE GUARD: Designed with multiple fixed-adjustment settings to allow the user to position the guard in a variety of working angles UPDATED GEARHEAD MOUNTING COLLAR: Mounting collar on the gearhead now compatible with all bosch metal and concrete guards