The Milwaukee® 2719-21 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 upto 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 upto 4x lower vibration than traditional reciprocating saws, resulting in faster cut starts in metal and reduced user fatigue. REDLINK™ Plus™ intelligence ensures optimized performance and protects your investment from overload, overheating and over discharge. The M18™ REDLITHIUM™ XC5.0 battery pack provides more work per charge and more work over the life of the pack than competitive batteries. A rubber seal and weep holes provide superior protection against water and debris. Milwaukee® Cordless Reciprocating Saw Kit, 7/8 in Stroke Length, 0 to 3000 spm Strokes per Minute, Straight Cut, 18 VDC, Soft Handle