RYOBI Expand-It 18 in. Straight Shaft Trimmer Attachment RYSST44 - The Home Depot
RYOBI Expand-It 15 in. Articulating Hedge Trimmer Attachment RYAHT99 - The Home Depot
Ryobi Expand-It 18-Volt Lithium-Ion Cordless String Trimmer Power Head ( Attachment Capable, Attachments, Battery and Charger NOT Included) - Walmart.com