The Great Neck 80144 4-1/2-Inch Angle Grinder features a two position side handle, 5-Amp motor, 120-Volt-60 Hz Input-Voltage, a 11,000 RPM no load speed, a grinding wheel for metal, a spanner wrench, and two carbon motor brushes. Designed for professional auto mechanics and heavy duty applications. Great Neck Tools are always in high demand. Many homeowner and trade tool innovations come from Great Neck Saw. Technology has enabled vast productivity improvements for century old tool designs. New and exciting tool designs are always being researched and developed at Great Neck Saw.