๐ Electronic Controller for Operator Convenience ๐ Powerful 750 W motor delivers 7,000-28,000 RPM for faster material removal ๐ SJS technology is a mechanical clutch system that helps minimize motor and gear damage by allowing the drive shaft to slip if the wheel is forced to stop ๐ Variable speed control dial enables user to match the speed to the application ๐ Constant speed control automatically applies additional power to the motor to maintain speed under load ๐ Soft start suppresses start-up reaction for smooth start-ups and longer gear life ๐ Electronic current limiter helps protect the motor from overload ๐ Directional air-flow vents channel the tool's air output away from the user's face ๐ Labyrinth construction minimizes debris from penetrating the motor, bearings and gears for longer tool life ๐ Zig-zag varnish protects the armature coil from dust and debris for longer motor life ๐ Overall length: 371 mm (14-5/8") ๐ Double insulated