FS 55 R Trimmer Head Replaces Part Number: 25-2 Autocut, Stihl 4002 710 2191, 4002 710 2108 ;Trimmer head uses .080, .095, or .105 trimmer line.10mm x 1.0 LHF arbor size； Fits for STHIL WEED EATER Head: FS44, FS80, FS83, FS85, FS90, FS100, FS100RX, FS110, FS120, FS130, FS200, FS250, KM55, KM85, KM90, KM110, KM130 FS-KM String Trimmer Stihl Weedeater Head Fits For Stihl FS90 (From 2005 On), FS90R, FS91R, FS100, FS100RX, FS110, FS110RX, FS111RX, FS120, FS120R, FS130, FS130R, FS200 (From 1997 On), FS200R, FS240, FS240R, FS250, FS250R, FS260R, FS460R (From 2011 On) 25-2 trimmer head：The tap-activated auto-feed system allows for quick line adjustment by gently bumping the cutting head on the ground. Designed for backpack brushcutters, handheld brushcutters, clearing saws, electric trimmers, and Kombi-engine-powered tools. Fits for:stihl fs56rc trimmer head,stihl fs90r trimmer head,25-2 trimmer head.

Kizut FS55R Trimmer Head for 25-2 Autocut Head STIHL FS 55 FS56 FS90 FS90R FS70 FS80 FS110 FS130 FS88 FS100 FS100R FS106 FS108 Weed eater Replace 25-2 4002-710-2191 4002 710 2108