The Ryobi Expand-It system has a cordless power unit with a variety of attachments that you can swap in and out. Here's how ...

Ryobi has been making power tools since the 1960s ... The string trimmer can also turn 90 degrees to serve as a sidewalk edger as well if you are the sort to go for that crisp look.

However, the design does leave a bit to be desired. A noticeable omission is the guide wheel, an element typically found in other trimmer-edger hybrids. The RYOBI deviates from the bump-feed mechanism ...