The M18 Sawzall Reciprocating Saw delivers exceptional durability, speed and run time. The all-metal gearing and Redlink Intelligence provide ultimate performance and protection against job site conditions. The M18 Sawzall Reciprocating Saw provides up to 30% faster cutting and 50% more run time in key applications versus leading competitors. The slim front-end design provides improved ergonomics, offering maximum comfort and control.FEATURESCounterbalance mechanism reduces vibration for more control and less fatigueAll-metal gearing and gear case provide maximum durabilityLever action Quik-Lok blade clamp allows fast and easy blade changesRedlink intelligence advanced overload protects the tool against abusive conditions and provides maximum lifeStroke length: 1-1/8 in.Compatible with all M18 batteriesCompatible with all M18 chargers