【Replaces OEM】This FS 55R Trimmer Head Replaces 25-2, 4002 710 2108, 4002 710 2191, 4002-710-2108; This 25-2 Bump Feed Trimmer Head with 10mm x 1.0 LHF Bolt Adapter Size Suitable for Brushcutter, Weed Eater, Clearing Saws, Electric Trimmers, Kombi Engines, Kombi Tools 【Fitment Model】This FS 90R Trimmer Head Compatible with 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, FS91, FS91R, FS94, FS94R, FS100, FS100RX, FS110, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200 (1997 On), FS240, FS250, FS260R, FS460R (2011 On) 【Versatile Use】25-2 Trimmer Head Compatible with Stihl FR85, FR85T, FR106, FR108, FR130T, FR220, FR350, FR410, FR450, FR460, FR480, FSA90R, FSA130R, FSA135, FSA135R, KM55, KM55R, KM56, KM56R, KM85, KM85R, KM90, KM90R, KM94, KM100, KM100R, KM110, KM110R, KM120, KM130, KM130R, KA85, KA85R, KR85, FS-KM 【Durability Design】This upgraded 25-2 bump feed trimmer head use more sturdy plastic material, and undergoing strict quality inspections, it won't deform, rust, or crack easily even during long-term use; Easy to install, nylon line is feed automatically by tap action, easily loads by Inserting line into eyelets and twisting the knob 【EasySpool】Double line design eliminates the need to respool, reducing welding of the line, it can hold .080", .095", or .105" trimmer line, which is perfect for cutting through thick grass and weeds 【Note】Package Include 2 pcs 25-2 bump feed trimmer head, to ensure compatibility, please check your model and the pictures carefully 25-2 Trimmer Head Replacement for Stihl FS55, FS55R, FS56, FS56RC, FS70, FS70R, FS80, FS85, FS87, FS89, FS90, FS90R, FS91, FS91R, FS94, FS94R, FS100RX, FS110, FS111R, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS240, FS250, FS260, FS460 Weed Eater