Hikoki Disc Grinder with Paddle Switch, 5 inch - G13SQ2 Type: Disc Grinder Features: - High power motor - Smallest grip circumference in its class Wheel Diameter: 5 inch (125mm) Hole Dimeter: 7/8 inch (22.23mm) No Load Speed: 10,500 RPM Power: 900 watt Model No.: G13SQ2