RIDGID R86047B-AC87004 18V Brushless Cordless 4-1/2 in. Angle Grinder with 4.0 Ah Lithium-Ion BatteryRIDGID introduces the 18V Brushless Cordless 4-1/2 in. Angle Grinder with 4.0 Ah Lithium-Ion Battery. RIDGIDS brushless motor technology delivers maximum performance and longer runtime. The powerful brushless motor in this grinder delivers up to 25% more power than its predecessor model (R86042B), with 9,000 RPM. The ergonomic paddle switch design makes using this tool for extended periods of time easier and more comfortable. Also, with tool-free wheel and guard adjustment, users can make fast and frequent accessory changes to maximize productivity and minimize downtime. Using an electronic break mechanism, the wheel quickly stops rotating as the user lets go of the paddle switch. As always, the RIDGID 18V Paddle Switch Angle Grinder is 100% compatible with all RIDGID 18V batteries. The included battery is compatible with all RIDGID 18V Tools. Best of all, this tool is backed by the industrys best Lifetime Service Agreement, simply register within 90 days of purchase for FREE Parts, Free Service, For LIFE. The R86047 Grinder includes the grinder, a type 27 grinding wheel, guard, Side Handle, a 4.0 Ah Battery, and an operators manual.Brushless 4-1/2 in. Angle Grinder: Maximum Performance. Longer Runtime.Brushless 4-1/2 in. Angle Grinder: Pair with MAX Output batteries for maximum powerBrushless 4-1/2 in. Angle Grinder: High-performance brushless motor delivers up to 25% more powerBrushless 4-1/2 in. Angle Grinder: Ergonomic paddle switch design increases comfort and ease-of-useBrushless 4-1/2 in. Angle Grinder: Tool-free wheel and guard adjustment makes for fast and easy accessory changesBrushless 4-1/2 in. Angle Grinder: Electronic break mechanism quickly stops wheel as user releases paddle switchThe included 4.0 Ah Battery is compatible with all RIDGID 18V Tools100% Compatible: Works with all RIDGID 18V Batteries, Tools, and ChargersLifetime Service Agreement with registration within 90 days of purchaseIncludes R86047 18V Brushless Cordless 4-1/2 in. Angle Grinder, type 27 grinding wheel, guard, Side Handle, and Operators ManualIncludes: (1) AC87004 18V Lithium-Ion 4.0 Ah battery and operators manualRIDGID: Build for a LifetimeCalifornia residentssee Prop 65 WARNINGSDimensionsProduct Depth (in.)12.85 inProduct Height (in.)5.45 inProduct Width (in.)5.59 inWheel Diameter (in.)4-1/2 in