Ryobi’s got an interesting take on outdoor power tools: Why buy and maintain a half-dozen engines when you’re only going to use one tool at a time? With their Expand-It system you can purchase any one of a number of different Ryobi split-shaft string trimmers, then swap out the business end with any of a long list of accessories includinga brush cutter, edger, blower, cultivator, limb pruner, and hedge trimmer.
Essentially, the trimmer splits apart in the middle of the shaft, leaving you with a power-drive for all the different accessories, which snap on via a one-button “Click-Link” system.
Pricing varies dramatically depending on the specific attachment you seek, but they’re all pretty reasonable. Our contact at Ryobi indicates that the accessories actually work with a variety of other manufacturer’s split-shaft trimmers as well, but you’ll want to check carefully before you buy.
The Expand-It System [Ryobi]