The Milwaukee M18 FUEL SAWZALL Cordless Reciprocating Saw Kit (2821-21) is the next generation of legendary performance and durability, designed for the toughest applications on the job site. The MILWAUKEE M18 FUEL SAWZALL is the fastest cutting reciprocating saw in its class and leverages a POWERSTATE Brushless Motor to provide you with 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 included M18 REDLITHIUM XC5.0 Battery Pack delivers you up to 2.5X runtime and provides more work per charge and more work over the life of the pack than competitive batteries. The M18 Fuel Sawzall Recip Saw is designed to perform in the most demanding applications and is our most durable 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 the toughest jobsite conditions. The M18 Fuel Sawzall Recip Saw is lighter weight than the previous generation and features an adjustable shoe, integrated LED light, and a hanging hook for convenient storage on the job.