RYOBI Expand-It 8 in. Universal Straight Shaft Edger Attachment-RYEDG12 - The Home Depot
RYOBI ONE+ 18V Brushless 15 in. Cordless Attachment Capable String Trimmer with Edger Attachment, 4.0 Ah Battery, and Charger-P20110-EDG - The Home Depot
Amazon.com: Ryobi ONE+ 9 in. 18-Volt Lithium-Ion Cordless Edger, 1.3 Ah Battery and Charger Included : Patio, Lawn & Garden