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. The M18 Fuel™ Sawzall® 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™