RYOBI 25cc 2-Cycle, Full Crank Curved Shaft Gas String Trimmer, Expand-it Option | eBay
5lb .095 Heavy Duty Nylon Square Commercial String Trimmer Line Weed Eater Line | eBay
Kobalt 80-volt 16-in Straight Battery String Trimmer with Edger Conversion Capable 2 Ah (Battery and Charger Included) in the String Trimmers department at Lowes.com
DEWALT 20 V MAX 13 In. Cordless String Trimmer (Bare Tool) DCST925B from DEWALT - Acme Tools