Fits 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 & Gas Trimmers Dual Line Bump Feed Cutting Head Double Line For Trimming and Mowing, Nylon Line is Fed Automatically By Tap Action It Is Suitable For Lawn Trimming, Around Trees, Between Shrubs Along Edges, Walls and Fences. Easily Loads By Inserting Line Into Eyelets and Twisting The Knob Fits for Stihl FS44, FS55, FS55R, FS56 (From 2008), FS56RC, FS56RCE, FS70, FS70R, FS74, FS76, FS80 (From 1996), FS80R, FS83, FS85, FS85R, FS87, FS90 (From 2005), FS90R, FS91, FS91R, FS94, FS94R, FS100, FS100RX, FS110, FS111R, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200 (From 1997), FS240, FS250, FS260R, FS460R (From 2011)