4-1/2 Inch Wheel Diameter, 10,500 RPM, Electric Angle and Disc Grinder Price For: Each Type of Power: Corded Wheel Diameter (Inch): 4-1/2 Speed (RPM): 10500 Spindle Size: 5/8-11 Contents: 4-1/2 Type-27 Guard; Anti-vibration Side Handle; Inner Support Flange; Quick Flange Nut Amperage: 8.50 Voltage: 120