Concrete Floor Grinder Operation Walk-Behind Drive Type Single-Disc Number of Grinding Discs 1 Grinding Disc Diameter 15 3/4 in Grinding Width 16 in Planetary Motion Control Clockwise Horsepower 3 3/4 hp Voltage 220 to 240V Accessory Free Tool Change Yes Anti-Restart Technology Yes Anti-Vibration Technology Yes Cord Length 50 ft Current 18 A Electrical Protection Overload Protection Engine Brand Husqvarna