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

The best way to measure the amount of fresh line you need for your string trimmer is to use your arm span, says Mark Clement, home and garden tool reviewer and licensed contractor with MyFixitUpLife.

Weed eaters, often referred to as string trimmers, are valuable devices for people who wish to keep their lawn or garden neat and tidy. They are particularly useful for cutting grass and weeds in ...