[Replaces OEM]: 4002 710 2191, 4002 710 2168, 4002 710 2108, Autocut 25-2 [Fits Models]: Fits for Stihl FS44, FS55, FS55R, FS56 (2008 On), FS56RC, FS70, FS70R, FS74, FS76, FS80 (1996 On), FS80R, FS83, FS85, FS85R, FS87, FS87R, FS90 (2005 On), FS90R, FS94, FS100, FS100RX, FS110, FS120, FS130, FS200 (1997 On), FS240, FS250, FS260R, FS460R (2011 On) [Fits Models]: Fits for Stihl FR85, FR85T, FR106, FR108, FR130T, FR220, FR350, FR410, FR450, FR460, FR480, FSA90R, FSA130R, FSA135, FSA135R, KM55, KM56, KM85, KM90, KM94, KM100, KM110, KM120, KM130, KA85, KA85R, KR85, FS-KM [Specification]: Bolt Adapter Size: 10mm x 1.0 LHF, Suitable For Brushcutter, Weed Eater, Clearing Saws, Electric Trimmers, Kombi Engines, Kombi Tools [Trimmer Line]: Can Use .080", .095", or .105" Diameter Line 25-2 Bump Feed Trimmer Head fits Stihl FS55 FS55R FS56 FS56RC FS70 FS70R FS80 FS85 FS90 FS90R FS100RX FS110 FS120 FS130 FS200 FS250 Replaces Autocut 25-2, 4002 710 2168, 4002 710 2191