0 - 3000 strokes per minute, a 1-1/8" stroke length, and a 12A motor. The gear protecting clutch extends gear and motor life by absorbing high-impact forces and a Quik-Lok blade clamp offers fast, tool-free blade changes. To provide greater user comfort, a counter-weighted mechanism reduces vibration for smoother operation and a redesigned front grip area provides best in class ergonomics. No. 6519-30: Amperage: 12A, Blade Stroke: 1-1/8 In., Variable Speed: Yes, SPM: 0-3000 SPM, Tool Weight: 7 Lb., Dimensions: 17-3/4 In. L, Cord Length: 8 Ft., Warranty: 5 Year, Pkg Qty: 1, Package Type: Box