•The trimmer line is made of premium durable nylon, durable and cuts grass faster •For optimal and precise trimming results •Convenient to change, easy to install in a few seconds Specification: •Nylon rope: 1.65mm wine red spiral •Length: 27FT / 8.3M •Product size: 56*24mm Compatible with: •Hyper Tough String Trimmer: GT500WU Model: HT18-401-004-01 •Hyper Tough 12 in. 4-Amp Grass Trimmer HT18-401-002-01 •Hyper Tough 4.6 Amp Corded Electric 13-inch String Trimmer Auto Feed HT10-401-002-01 •Hyper Tough 40V Max Cordless 13-Inch String Trimmer & Wheeled Edger HT19-401-003-03 •WORX Trimmers: WG105 WG106 WG108 WG109 WG112 WG113 WG115 WG116 WG117 WG118 WG119 WG120 Package included: •2 x Spool •Other things not included