【REPLACE PART NUMBER】4002 710 2108， 4002 710 2191 【FITMENT】Compatible with Stihl FS44 FS55 FS55R FS56 (From 2008 On) FS56R FS56RC FS70 FS70R FS80 (From 1996 On) FS80R FS83 FS85 FS85R FS90 (From 2005 On) FS90R FS91 FS91R FS94 FS94R FS100 FS100RX FS110 FS110RX FS111R FS111RX FS120 FS120R FS130 FS130R 【FITMENT】Compatible with Stihl FS131 FS131R FS200 (From 1997 On) FS200R FS240 FS240R FS250 FS250R FS260R FS460R (From 2011 On) FR85 FR85T FR106 FR108 FR130T FR220 FR350 FR410 FR450 FR460 FR480 KM55 KM85 KM90 KM110 KM120 KM130 FS-KM 【FEATURE】This product features a split design that accommodates 0.080-inch (2.0 mm), 0.095-inch (2.4 mm), or 0.105-inch (2.7 mm) trimmer line, with a universal 10 mm x 1.0 mm left-hand thread arbor. Its innovative construction enhances safety while delivering multi-scenario versatility and cost efficiency 【HIGH-PERFORMANCE】Engineered with premium materials for superior durability, this trimmer head is produced under stringent quality control protocols. Every unit passes rigorous pre-shipment inspections to guarantee sustained performance and end-user satisfaction 25-2