Milwaukee 0725-21 28-Volt 4-1/2-Inch Lithium-Ion Cordless Grinder/Cut-Off Tool Kit The product is easy to use The product is durable The product is manufactured in Czech Republic 28V motor delivers 8000 RPM no load speed Overload protection for preventing over-heating Soft start reduces start-up torque and improves gear life Large spindle lock for quick wheel replacement Tool free guard provides easy guard adjustment