15.0 amp Milwaukee motor with highest overload protection in the industry, prevents motor burn up/failure 
Constant power technology maintains constant speed under load for unmatched cutting performance 
Patented gear-protecting clutch extends gear and motor life by absorbing high-impact forces caused by sudden blade lock-ups 
Patented counter-balanced mechanism for a smooth running, low vibrating reciprocating saw 
Variable-speed trigger and dial speed control