Milwaukee 6121-31A 5-Inch Small Angle Grinder Trigger Grip, AC/DC The product is easy to use The product is durable The product is manufactured in China Powerful 11 Amp, 11,000 RPM Motor: Provides maximum performance and durability AC/DC : Versatility to be used with AC or DC power supplies Tool-Free Accessory Change: Easily change "All Accessories" without a wrench External Brush Doors  reduces service time by providing easy access to brushes Trigger Grip Handle  provides better control, reach and leverage