Amazon.com : Terre Products - Residential Grade 065 Trimmer Line Square, 1 lb. Quality Weed Wacker String, Line Length 564 ft. or 172m, Weed Eater String Size .065 in. or 1.65mm : Patio, Lawn & Garden
Dual-Power Ellipse Twist Strimmer Line 5lb Nylon String Trimmer Line 2.4mm 2.7 mm 3.0mm - China Nylon Line and Polyamide Line price | Made-in-China.com
2.4mm/2.7mm/3mm 450g Nylon Trimmer Line Grass Cutter Rope Trimmer Roll Cord Wire String for Strimmer Replacement Round/Square - AliExpress
STIHL 3.3mm Square Strimmer Line | Durable, Long-Lasting Line
4mm x10m Blue Nylon Square Trimmer Strimmer Line Brushcutter Cord Rope - Walmart.com