Replaces#4002 710 2169, AutoCut C26-2 Trimmer Head Fits for Stihl FS90, FS90R, FS91, FS91R, FS94, FS94R, FS100, FS100RX, FS110, FS111R, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200, FS240, FS250, FS260R, FS460R C26-2 Trimmer Head Fits For Stihl FS55, FS55R, FS56, FS56RC, FS70, FS70R, FS80, FS85, FS87, FS89, FR130, FR131, FR410, FR460, FSA90, FSA130, FS-KM Fits for Stihl FS55, FS55R, FS56, FS56RC, FS70, FS70R, FS80, FS85, FS87, FS89, FR130, FR131, FR410, FR460, FSA90, FSA130, FS-KM C26-2 Double Line Trimmer Head For Mowing and Thinning, Can Use With .095-inch Line. The Nylon Line is Automatically Adjusted By Tapping The Cutting Head Against The Ground. Suitable For Lawn Trimming, Around Trees, Between Shrubs Along Edges, Walls and Fences Note:This Trimmer Head for straight shaft trimmers. To ensure that you receive the right parts for your engine, it's crucial to verify your engine model and part numbers before checking out. C26-2 Trimmer Head