Fit for Stihl FS40 FS44 FS44J FS44R FS48 FS50 FS50E FS50F FS51 FS51AVE FS51 FS52 FS55 FS55R FS56 FS60 FS62 FS61 FS61AE FS61E FS65 FS65AVE FS65AVRE FS66 FS66AVE FS74 FS74AVE FS76 FS80 FS80RE FS80E FS81 FS83 FS83R FS85 FS85RT FS86 FS88 FS90 FS91 FS96 FS100 FS100RX FS106 FS108 FS110 FS120 FS120R FS130 FS200 FS250 FS350 FS450 FS550 FR106 FR108 FR110 FR130 KM55 KM85 KM90