This gear head is compatible with various models in the FS series:FS56, FS56RC, FS 56 C-E, FS70R, FS 70C, FS 70 C-E, FS 70RC-E, FS91, FS91R, FS94R, FS 94 RC-E, FS120, FS120R, FS131, FS131R, FS130R, FSA130, FSA135, FSA 135R, FS240, FS 240R, FS 240 C-E, FS250, FS250R, KM F5, KMA.
eBay