i already have a older 18v. they are big and sometimes the size is not needed. i saw these on sale and am thinking of picking one up. i wonder if though the 12volts will be enough
http://www.homedepot.com/p/RIDGID-12-Vol...83?N=5yc1vZc2ec
http://www.homedepot.com/p/RIDGID-12-Vol...83?N=5yc1vZc2ec