Milwaukee 2621-20 M18 18V Lithium Ion Cordless Sawzall 3,000RPM Reciprocating Saw with Quik Lok Blade Clamp and All Metal Gearbox (Bare Tool) - Amazon.com
Milwaukee® M18 FUEL™ SUPER SAWZALL® Reciprocating Saw - YouTube
Reciprocating saw - Wikipedia
Reciprocating Saw - Milwaukee M18 FUEL 18 Volt Lithium-Ion Brushless C – Hansler Smith