From grinding, sharpening, and polishing metal to cutting tile and more, the SKIL 20V Brushless 4-1/2 In. Angle Grinder balances power and ergonomics to tackle a variety of DIY tasks. The cordless angle grinder features a digital brushless motor that delivers up to 10,000 RPM. It also features a three-position side handle with onboard wrench storage for quick handle adjustments for a variety of working positions. Its tool-free guard change features a one-handed release for quick adjustments of the guard position, while a spindle lock allows quick and easy wheel changes. A dual function lock switch prevents accidental tool startups and locks on for prolonged use. The cordless grinder is compatible with most 4-1/2-inch and 5-inch grinding wheels (sold separately). The kit includes the battery-powered angle grinder, 20V 2.0Ah battery, 20V 60W charger, grinding guard, wrench, side handle, and 2-in-1 guard.