POWERFUL GRINDER DESIGN: Engineered with the x-lock mount and a 13-amp motor producing up to 11,500 rpm 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 EPOXY-COATED FIELD WINDINGS: Extend motor lifetime by preventing dust and debris from penetrating the motor windings SPIRAL BEVEL GEARS: Provide smooth transmission of power to grinding applications DIRECTED AIR FLOW: Channels air through motor to cool key components VIBRATION CONTROL AUXILIARY HANDLE: Allows for improved user comfort and 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 SERVICE MINDER BRUSHES: Eliminates guesswork, stopping grinder when preventative maintenance is required