"The Milwaukee 4 1/2in. 11 Amp Grinder delivers best in class durability and power. High-capacity 120V motor with Advanced Airflow system runs at 11,000 RPM to handle the most demanding grinding jobs. Paddle grip with non-locking paddle switch. Amps 11, Battery Included No, Case Included No, Cord Length ft. 8, Length in. 11 1/2, Product Type Handheld, Side Handle Yes, Speed RPM 11,000, Spindle Lock Yes, Spindle Thread Size 5.8 in.-11, Switch Type Nonlocking paddle switch, Variable Speed No, Wheel Diameter in. 4 1/2, Wheel Included No, Wrench Included Yes. Advanced Airflow system maximizes airflow and reduces debris ingress, improving motor performance and life 5/8in.-11 spindle thread size Needle bearings Paddle grip with non-locking paddle switch 100 tool-free grinder - no wrench or screwdriver required Easy changing of all accessories Easy installation and adjustment of guard"