Cut through thick lumber, branches, drywall, and more with the help of this Milwaukee 2621-20 Sawzall reciprocating saw. It has the features you need for a job well done, and a robust construction that will let you do that job wherever it takes you. Its all metal gearbox construction can hold up to impacts from drops or extreme work environments. You?ll be able to keep this tool in control, even when its powerful motor is driving the blade up to 3,000RPM. The textured rubber handle lets you keep a firm grip on this tool, enabling complete control, even in slippery environments. Combine that with the Redlink Intelligence when the tool is loaded up with M18 18 volt batteries, and you can work at optimal power levels with peak control. If you?re on a demolition job that requires cutting through a variety of surfaces and you need to change blades, you can do so easily with the Quik Lok mechanism. Simply lift up the latch, pull the blade out, slide a new one in, and close. It?s simple. QUIK LOK BLADE CLAMP: Switching blades for different applications is as easy as opening and closing the latch ALL METAL GEARBOX: If you drop this in the middle of a job, the metal construction will help protect the internal components, so you can continue to work COUNTER BALANCE MECHANISM: If you?re tearing through thick pieces of lumber, vibrations will be reduced with the tool?s internal counter balance measures REDLINK INTELLIGENCE: This tool will connect with the M18 battery plugged into it, enabling cross-platform communication. This will reduce the risk of the tool from drawing too much power and overheating, allowing for more efficient work M18 COMPATIBLE: This Milwaukee power tool works with M18 18v lithium ion Milwaukee batteries. Compatible models include the 48-11-1860, 48-11-1850, 48-11-1828, and 48-11-1815, 48-11-1840, 48-11-1820