Replacing a Weed Eater String (String Trimmer Line) | The Home Depot - YouTube
X-Line | String & Weed Trimmer Line | STIHL USA
2.2mm 2.4mm 3.5mm 4.0mm Dual Power Square Grass Trimmer Line String Trimmer Accessories - China 2.2mm 2.4mm 3.5mm 4.0mm and Dual Power price | Made-in-China.com