The MILWAUKEE® M18 FUEL™ SAWZALL® Recip Saw is the next generation of legendary performance and durability, designed for the toughest applications on the job site. It is the fastest cutting reciprocating saw in its class and leverages a POWERSTATE™ Brushless Motor to provide 3,000 SPM and a 1-1/4" stroke length for faster material removal. REDLINK™ PLUS electronics ensure maximum performance under stress as well as protection from overloading, overheating, and over-discharging. The M18™ REDLITHIUM™ XC5.0 Battery Pack delivers up to 2.5X runtime and provides more work per charge and more work over the life of the pack than competitive batteries. This saw is designed to perform in the most demanding applications and is the most durable Milwaukee cordless reciprocating saw yet. A wear-resistant blade change, anti-corrosion blade clamp, and metal reinforced battery rails provide longer component life and stand up to thetoughest jobsite conditions.