Choose the best speed suited to the application with this Variable Speed Angle Grinder from Makita Powerful 13.0 AMP motor delivers more output and variable (2, 800 - 10, 500) RPM The Makita 9565PCV features SJS technology which is a mechanical clutch system that helps prevent motor and gear damage by allowing the drive shaft to slip if the wheel is forced to stop. On the rear of the machine is a variable speed control dial giving much more control and enabling the user to match the speed to the application. Constant speed control automatically applies additional power to the motor to maintain speed under load. Soft start suppresses start-up reaction for smooth start-ups and longer gear life. Electronic current limiter helps protect the motor from overload. Labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life. Slide switch with lock-on setting for continuous use. "Tool-less" wheel guard adjustment for easy adjustment. Zig-zag varnis