"The Milwaukee 5in. 13 Amp Grinder delivers best in class durability and performance. High-capacity 120V motor with Constant Power technology, Advanced Airflow system, overload protection and electronic clutch operates at 11,000 RPM to handle the most demanding grinding jobs. Paddle switch has lock-on slide switch for extended operation. Amps 13, Battery Included No, Case Included No, Cord Length ft. 8, Length in. 12 1/4, Product Type Handheld, Side Handle Yes, Speed RPM 11,000, Spindle Lock Yes, Spindle Thread Size 5.8 in.-11, Switch Type Slide, Variable Speed No, Wheel Diameter in. 5, Wheel Included No, Wrench Included Yes. Advanced Airflow system maximizes airflow and reduces debris ingress, improving motor performance and life Electronic clutch extends life of tool and prevents bind-up Overload protection maximizes motor life by reducing motor burn-up Constant Power technology maintains consistent speed while under load 5/8in.-11 spindle thread size Needle bearings Paddle grip with lock-on slide switch 100 tool-free grinder - no wrench or screwdriver required Easy changing of all accessories Easy installation and adjustment of guard without tools"