"Tool-less" Clamp System for Fast Accessory Installation. Powerful 3.0 AMP motor with soft start feature for smooth start-ups and improved performance for fast cutting, sanding, scraping and grout removal. Variable speed control dial (6,000-20,000 OPM) enables user to match the speed to the application. Electronic speed control maintains constant speed under load for smoother, higher-quality work3.2° oscillation angle engineered for faster cutting and sanding. Precision engineered for reduced vibration (6.5m/s²) and low noise 80dB(A)