RYOBI Expand-It 17-1/2 in. Universal Hedge Trimmer Attachment RYHDG88 - The Home Depot
Ryobi expand-it custom wall mount | eBay
RYOBI 40V Expand-It Cordless Battery Attachment Capable Trimmer Power Head and Sweeper Attachment w/ 4.0 Ah Battery, Charger RY40226-SWP - The Home Depot
Amazon.com : Ryobi Expand-It 40-Volt Lithium-Ion Cordless Attachment Capable Power Head (battery and charger is not included) (Renewed) : Patio, Lawn & Garden