Replaces OEM Part Number: 4002 710 2169, C26-2 2PC x C26-2 Dual Line Bump Feed String Trimmer Head For Stihl Models: Stihl FS55, FS56, FS70, FS80, FS85, FS87, FS89, FS90, FS91, FS94, FS100, FS111, FS120, FS130, FS131, FS240, FS250, FS260R, FS460R, FR130, FR131, FR410, FR460, FS-KM, FSA90, FSA130 Brushcutters and Gas Trimmers C26-2 Trimmer Head Double Line For Mowing and Thinning, Nylon Line is Fed Automatically Adjusted By Tapping the Cutting Head Against The Ground, Easy to Install and Use C26-2 Weed Eater Head Suitable For Lawn Trimming, Around Trees, Between Shrubs Along Edges, Walls and Fences. Easily Loads By Inserting Line Into Eyelets and Twisting The Knob [Package Includes]:  2 x C26-2 Trimmer Head [Replaces OEM Part Number]: 4002 710 2169 [Suitable For]: BrushCutters, LawnTrimming, Around Trees, Between Shrubs Along Edges, Walls and Fences [Fits Stihl Models]: FS55, FS56, FS70, FS80,  FS85, FS87, FS89, FS90,  FS91, FS94, FS100, FS111,  FS120, FS130, FS131, FS240,  FS250, FS260R,FS460R FR130, FR131, FR410, FR460,  FS-KM, FSA90, FSA130 Brushcutters