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

String trimmers get into spots larger lawn mowers can’t reach, like beneath bushes or right up against fences. They can delicately trim around flower beds or slash through overgrown weeds. Flipped on ...

The string trimmer is both a blessing and a curse. It can be a tremendous labor-saving device that neatly tidies up shaggy grass along flower beds, around posts, and down the edge of sidewalks. But a ...