With a BLACK+DECKER multi-tool, you do a lot of jobs with 1 tool. you saw, sand, scrape, or grind without changing the machine in between. Choose a cordless BLACK+DECKER multi-tool and also work in places without a socket. That's useful if work outside or in the attic. Does the multi-tool have multiple accessories? Do various jobs right away. The cordless multi-tools are part of the BLACK+DECKER POWERCONNECT 18V battery platform. This means that 1 battery also fits other 18V BLACK+DECKER tools.