Up to 2 Times More Power Than Pneumatic Includes: 4.0 Ah Battery and 18V Lithium-Ion Charger Over 260 ONE+ Tools – All Work With Any RYOBI 18V ONE+ Battery RYOBI introduces the industry's first 18V Right Angle Die Grinder. The 18V ONE+ HP Compact Brushless 1/4 in. Right Angle Die Grinder is designed to live up to professional expectations, delivering a powerful solution in the most compact and lightweight design. Ideal for tight workspaces, the compact size allows for this die grinder to be used in areas where air hoses may mar the work surface or get in the way. Powered by a brushless motor, producing up to 22,000 RPM, this die grinder has 2 times the amount of power compared to pneumatic. It also features a 4-Mode Speed control and responsive variable-speed trigger for maximum control in any work environment. To make accessory changes quick and easy, use the on board spindle lock and single wrench. The included battery and charger are compatible with all RYOBI 18V ONE+ Tools. Best of all, it is part of the RYOBI ONE+ System of over 260 cordless tools that all work on the same battery platform. Backed by the RYOBI 3-Year Manufacturer's Warranty, this 18V ONE+ HP Compact Brushless Right Angle Die Grinder includes a wrench and operator's manual.