... Nylon trimmer line Size:1.0-5.0mm Shape:round,square,star,hexagon,heptagon,twistPackage:card head ,double blister,spool,bulk...professional grade trimmer ... lineDiameter: 1.0mm----5.0mmColor: Any color is available. Shape: Round, Square, Star, Trigon, Hexagon and HeptagonQuality: Commercial Grade, Professional ... 20 KG/Spool, 50 KG/Spool and 100 KG/Spool. Trimmer line