Whether you call it a trimmer, a weed whacker, or a weed eater, these precision lawn tools give your grass nice, crisp edges.

Line trimmers use a spool of wire ... saving the labor of shuffling along the edge with lawn scissors. It also stops you from buying a separate edging appliance. It's a bonus function, and ...

Grass trimmers ... to use and how much time you'll waste spooling out the trimmer line. The worst we’ve tested leave behind straggly grass and stubborn weeds, suffer far too many line-feed jams, or ...