Rated at 710W with a disc diameter of 115mm (4.5 inches) and an idle speed reaching around 11,000 RPM.Key Build Features: Includes a slide lockable switch, high-quality low-noise gears, and a slim body design for better handling.MPT 710W 115mm Angle Grinder (Model series matching professional corded electric grinders by MPT Tools), featuring a red-and-black housing and a 100% copper wire motor.