FS55 FS56R FS56RC FS70 FS70C FS80 FS85 FS90 FS100 FS130. LOOK AT THE 2nd PICTURE ! IT HAS ALL THE MANY MORE STIHL MODELS THIS BLADE FITS ! 1 X KEY FOR THE NUT ! 1 X STIHL GEARHEAD LOCKING PIN 1 X LEFT HAND THREADED LOCKING NUT.
eBay