The Milwaukee M18 FUEL Hackzall is the fastest cutting and most powerful one-handed reciprocating saw. Utilizing a POWERSTATE brushless motor and a best in class 7/8 In. stroke length， the M18 FUEL Hackzall cuts up to 50% faster than competitors. The compact， one-handed design provides superior control and the ability to make cuts in tight spaces. The dual gear counter balance mechanism provides up to 4X lower vibration than traditional reciprocating saws， resulting in faster cut-starts in metal and reduced user fatigue. A rubber seal and weep holes provide superior protection against water and debris. Pivoting shoe provides constant contact with the work piece resulting in smoother cuts with less bucking and vibration. REDLINK PLUS intelligence ensures optimized performance and protects your investment from overload， overheating， and over-discharge. Includes general purpose Sawzall blade. Tool Only - battery and charger not included.