M18 FUEL 18-Volt Lithium-Ion Brushless Cordless HACKZALL Reciprocating Saw & M18 Caulk Gun with Two M18 6.0Ah BatteriesThe M18 FUEL HACKZALL is the fastest cutting and most powerful 1 handed design 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, 1 handed design provides superior control and the ability to make cuts in tight spaces. The dual gear counter balance mechanism provides the ARB265Wt in cut vibration of any reciprocating saw,