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

We tested top-rated cordless models on real yard tasks to find which ones cut cleanly, run longer, and handle tough weeds ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more A reliable string trimmer enables you to easily cut grass along fences, around tree trunks and bushes, and ...