Amazon.com : Weed Eater String, Eventronic 095 Trimmer Line of 295-Feet, Trimmer Line for Universal Replacement, Round Weed Wacker String Fits Medium& Heavy Grass&Weeds, String Trimmer Line of Orange Premium Nylon :
Milwaukee 0.095 in. x 250 ft. Trimmer Line 49-16-2713 - The Home Depot
080" HEAVY DUTY WEED EATER LINE GAS TRIMMER WEED WACKER STRING 280' 3914728 | eBay
How To Tips for Easy Restring of Weed Eater with 2 strings - YouTube