X-LOCK WHEEL CHANGE: Features snap-on mounting and grinder lever wheel release for change-out that's up to five times faster TOOL-FREE DISC SWAP: The wheel mounts properly without the need for a spanner wrench or flange nuts for no losable parts POWERFUL CORDLESS, CONNECTED-READY GRINDER: Engineered with next-gen user control and advanced electronics EC BRUSHLESS MOTOR: Provides greater efficiency that maximizes runtime and productivity X-BRAKE: Helps provide a rapid stop of the wheel when the switch is turned off DROP CONTROL: Helps shut the grinder off after accidentally dropping the tool on the floor KICKBACK CONTROL: Helps shut off the tool if the wheel gets into a bind situation RESTART PROTECTION: Helps prevent accidental tool startup if the supply of power is interrupted SOFT-START TECHNOLOGY: Reduces startup torque to ease into cuts BLUETOOTH CONNECTIVITY: Uses an optional bosch connected tool module to connect the tool to the free bosch toolbox app on a connected device, to customize settings and provide feedback