Makita SP6000J 6-1/2-Inch Plunge Circular Saw Powerful 12.0 AMP motor for optimum performance in a wide variety of materials Precision accurate cutting delivers a splinter-free mirror finish Electronic speed control maintains constant speed under load for smooth cutting Variable speed control dial (2,000-5,200 RPM) enables user to match the speed to the application Built-in current limiter helps prevent motor burnout Soft start feature for smooth start-ups, Arbor (mm) : 20 mm, Track: 55-Inch Large cutting capacity (2-3/16"" at 90 and 1-9/16"" at 45)