ERGONOMIC, POWERFUL GRINDER DESIGN: Engineered with the x-lock mount, a narrow grip zone and light weight but with pro power 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 ULTRA COMPACT POWERFUL MOTOR: Professional 10-amp motor delivers up to 11,000 no-load rpm 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: Which cools the motor in heavy-duty applications LOCK-ON/OFF SLIDE SWITCH: Provides convenience for extended-use applications 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