๐ SJS (Super Joint System) ๐ High-speed die grinder with max 8mm collet capacity ๐ Ergonomically designed slim body for grinding in tight spots ๐ Internal labyrinth construction seals motor and bearings from contamination ๐ Ideal for grinding internal surfaces, removing paint etc. using with flap wheel discs 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 Double insulated