From the Manufacturer
The patented rotary-style design allows the powerful, high-capacity ST720R to tackle snow at a rate of up to 350 pounds per minute. Able to handle snow up to 6 inches deep. The adjustable direction chute quickly and efficiently clears a 12-inch wide path and can effortlessly toss snow up to 20 feet. The Click-Link shaft allows the user to add-on or take-off the attachment in seconds. Only Ryobi offers the TrimmerPlus System that turns a grass trimmer into a complete lawn and garden system. Can be used with any gas Ryobi TrimmerPlus unit - 2-cycle or 4-cycle.
Product Description
Add-On Snow Thrower Attachment, For TrimmerPlus String Trimmers Capable Of Accepting Attachments, Fits Models By Ryobi, YardMan, Troy-Bilt & Other Attachment Capable Brands On The Market.