New Replacement Trimmer Head For Stihl Autocut Go 25-2 FS44 FS55 FS80 FS83 FS85 This trimmer head is an aftermarket replacement for the Autocut 25-2, 4002 710 2191, and 4002 713 9608. This head will also work with the following Stihl Models: FS 44, 55, 56, 70, 80, 83, 85, 90, 100 RX, 110, 120, 130, 200, 250 KM 55, 56, 85, 90, 110, 130 FR106, FR108, FS44, FS44J, FS44R, FS48, FS50, FS50E, FS50F, FS51, FS51AVE, FS52, FS52AVE, FS52AVRE, FS55, FS55R, FS56, FS56AVRE, FS60, FS61, FS61AE, FS61E, FS62, FS65, FS65AVE, FS65AVRE, FS66, FS62AVE, FS62AVRE, FS66AVE, FS66AVRE, FS74, FS74AVE, FS74AVRE, FS76, FS76AVE,FS76AVRE, FS80E FS80RE FS81, FS81AVE, FS81AVRE, FS83, FS83R, FS85RT, FS86, FS88, FS90, FS90AVE, FS91, FS106AVE, FS86, FS86AVE, FS86AVRE, FS96, FS106, FS108, FS120, FS120R, FS350, FS450K, FS550 and FS550K