After hitting a bump, a parts and operational manual, and a small part for a Craftsman wheeled weed trimmer fell out.

When done correctly, attaching the weed whacker line to Ryobi's string trimmer should be a breeze. Here is a step-by-step guide on how to do it properly.

Ryobi's 40V Weed Eater isn't one of those tools, but even amongst its mostly positive feedback are some 1-star and 2-star reviews to take note of.

Ryobi's Expand-It attachments do something few tools ever do: Offer compatibility with other tool brands. Of course, there are some caveats to be aware of.

The overall user scores of each tool are relatively close to one another, but the best-reviewed is the Ryobi 40V 16-inch Brushless String Trimmer, which has a strong 4.5 out of 5 average customer ...