RYOBI 40V Expand-It Cordless Battery Attachment Capable String Trimmer with 4.0 Ah Battery and Charger RY40250 - The Home Depot
RYOBI ONE+ 18V 13 in. Cordless Battery Electric String Trimmer/Edger with Extra 3-Pack of Spools, 2.0 Ah Battery and Charger P20150-AC - The Home Depot
Ryobi Electric String Trimmer 18 in. 10 Amp. Hand Shaft Cord Lock Held Straight | eBay