Ideal speed range with stepless speed control for professional surface finishing on vehicles. Maximum speed stability under any load across the entire adjustment range thanks to mechanical reduction combined with the FEIN high-performance motor. Special system accessories for effective preparation of used paints, new paints, and highly scratch-resistant paints. Convenient speed adjustment without overheating during continuous use. Excellent ergonomics through the handle cover. Features include spindle lock, forward and reverse operation, restart protection, soft start, and self-shutting carbon brushes.