RYOBI ONE+ 18V 12 in. Cordless Battery 3-in-1 Mower, String Trimmer, and Edger (Tool Only) - Yahoo Shopping
RYOBI ONE+ 18V 13 in. Cordless Battery String Trimmer/Edger with 4.0 Ah Battery and Charger P2080 - The Home Depot
18V ONE+ STRING TRIMMER Kit - RYOBI Tools
Ryobi Expand-It 18-Volt Lithium-Ion Cordless String Trimmer Power Head (Attachment Capable, Attachments, Battery and Charger NOT Included) - Walmart.com