The Sawzall® 6519-31 Reciprocating Saw offers the best-in-class cut speed, durability, and power. It provides 0-3,000 SPM, a 1-1/8” stroke length, and a 12 amp motor. The gear protecting clutch extends the life of the gears and motor by absorbing high impact forces, and the tool features a QUIK-LOK® Blade Clamp for fast, tool-free blade changes. To provide ultimate user comfort, a counterbalance mechanism reduces vibration during use, and an improved and refined front grip makes this the best-in-class ergonomically.