USES PRECUT LENGHTS OF NYLON LINE. FOR STRAIGHT TRIMMER SHAFTS Ideal trimmer head for users that prefer manual heads which require precut lengths of nylon line. For Stihl Models: FS 55 (1996), 85, 87, 90 (2005), 100, 110, 120, 130, 200 (1997), 240, 250, 260 R, 460 R, FR 85, 130 T, 220, 350, 410, 450, 460, 480 KM 55/56/. Description STIHL DUROCUT FITS MODELS: FS 55, 56 (2008-), 70, 80(1996-), 85, 87, 90 (2005-), 100, 110, 120, 130, 200 (1997-), 240, 250, 260R, 460R FR 85, 130T, 220, 350, 410, 450, 460, 480 KM 55, 56, 85, 90, 100, 110, 130 + FS-KM