>> Go << This 12-inch, 18-volt cordless string trimmer weighs only 6.5 pounds and features the exclusive Black & Decker Automatic Feed Spool (AFS) system that automatically advances cutting string without bumping. This Automatic Feed System utilizes centrifugal force to feed the trimmer line as it is needed. This cordless string trimmer has the capacity to trim grass after mowing for up to a 1/2 home site on a single charge of both included 18-volt batteries. This cordless trimmer/edger is very quiet, effortless to start, and requires no gas, oil, or tune-ups. The Groom 'N' Edge head rotates 180 degrees to convert the trimmer to an edger with a push of a button.